Quiz about Adding and Subtracting Fractions and Mixed Numbers

Question 1

Is this a correct answer?

Accepted Answer

No, you cannot add unlike denominators

Answer

Yes, the student correctly added.

Answer

No, 5 + 7 is not 12

Answer

No, 2 + 3 is not 5

Question 2

What is the least common denominator you could use to subtract 1/3 and 1/4?

Accepted Answer

12

Answer

3

Answer

4

Answer

24

Question 3

Question 3.

Accepted Answer

1

Answer

3/6

Answer

1/2

Answer

2

Question 4

Question 4.

Accepted Answer

5/6

Answer

2/5

Answer

4/6

Answer

1/5

Question 5

Question 5.

Accepted Answer

7/8

Answer

14/16

Answer

8/7

Answer

4/10

Question 6

What number could be a common denominator for these two fractions?
2/3 and 3/4

Accepted Answer

12

Answer

3

Answer

4

Answer

7

Question 7

What number could be a common denominator for these two fractions?
1/5 and 5/6?

Accepted Answer

30

Answer

11

Answer

6

Answer

5

Question 8

What number could be a common denominator for these two fractions?
3/10 and 1/5

Accepted Answer

10

Answer

5

Answer

15

Answer

These numbers do not have a common denominator

Question 9

Which of these numbers could NOT be a common denominator for these three fractions?
1/3 and 2/5 and 3/10

Accepted Answer

15

Answer

30

Answer

60

Answer

90

Question 10

Which of these numbers could NOT be a common denominator for these two fractions?
2/4 and 3/8

Accepted Answer

12

Answer

32

Answer

8

Answer

24

Question 11

Which of these numbers could NOT be a common denominator for these two fractions?
1/6 and 1/4

Accepted Answer

18

Answer

12

Answer

24

Answer

36

Question 12

2/3 + 1/2 =

Accepted Answer

7/6

Answer

6/7

Answer

2/6

Answer

3/5

Question 13

What is 2/3 + 5/3 in simplest form?

Accepted Answer

2  1/3

Answer

7/3

Answer

7/6

Answer

1

Question 14

6  2/5 + 4  1/5 =

Accepted Answer

10  3/5

Answer

10  4/5

Answer

10  1/5

Answer

10

Question 15

3/6 + 10/12

Accepted Answer

1 4/12

Answer

1 1/12

Answer

13/18

Answer

13/12

Question 16

1/5 + 2/5 =

Accepted Answer

3/5

Answer

1

Answer

5/3

Answer

1/5

Question 17

Solve:
2 4/5 + 1 1/2

Accepted Answer

4  3/10

Answer

3  5/10

Answer

4  1/5

Question 18

While making desserts for a bake sale, Lyla used 7/10 of a scoop of brown sugar as well as 1/2 of a scoop of white sugar. How much more brown sugar did Lyla use?

Accepted Answer

1/5

Answer

1 1/2

Answer

2/3

Answer

3/4

Question 19

Marty made two types of cookies.  He used 2/3 cup of sugar for one recipe and 1/4 cup  of sugar for the other.  How much sugar did he use in all?

Accepted Answer

11/12

Answer

5/12

Answer

3/7

Answer

1/3

Question 20

Pam walks 7/8 of a mile to school.  Paul walks 1/2 of a mile to school.  How much farther does Pam walk than Paul?

Accepted Answer

3/8

Answer

4/5

Answer

1 3/8

Answer

3/4

Question 21

Daniel watched a beetle and a spider on the sidewalk. The beetle crawled 1/2 of a yard and the spider crawled 1/6 of a yard. How much farther did the beetle crawl than the spider?

Accepted Answer

1/3

Answer

1/4

Answer

1/2

Answer

2/3

Question 22

At the neighborhood block party, Cora served 1/2 of a gallon of hot chocolate and 1/10 of a gallon of apple cider. How much hot chocolate and apple cider did Cora serve?

Accepted Answer

3/5

Answer

2/5

Answer

2/11

Answer

1/6

Question 23

Carefully following a recipe, Ben used exactly 5/8 of a cup of oil and 3/4 of a cup of water. How many cups of liquid did Ben use in all?

Accepted Answer

1 3/8

Answer

1/8

Answer

2/3

Answer

1 1/2

Question 24

While cooking a stew, Bonnie used 5/6 of a shaker of salt and 5/12 of a shaker of pepper. How much more salt did Bonnie use?

Accepted Answer

5/12

Answer

5/9

Answer

1  1/4

Answer

11/12

Question 25

Robert made a fruit salad with 11/12 of a pound of melon and 1/6 of a pound of berries. How many pounds of fruit did Robert use in all?

Accepted Answer

1 1/12

Answer

3/4

Answer

2/3

Answer

1 1/2

Question 26

You give 1/3 of a pan of Brownies to Susan and 1/6 of the pan of brownies to Patrick.  How much of the pan of brownies did you give away?

Accepted Answer

1/2

Answer

1/9

Answer

1/6

Answer

1/3

Question 27

You go out for a long walk.  You walk 3/4 mile and then sit down to take a rest.  Then you walk 3/8 of a mile.  How far do you walk altogether?

Accepted Answer

1 1/8

Answer

3/8

Answer

1/12

Answer

1/2

Question 28

What is the sum in simplest form?
2/7 + 4/7

Accepted Answer

6/7

Answer

6/14

Answer

1/2

Answer

2/3

Question 29

What is the sum in simplest form?
5/12 + 6/12

Accepted Answer

11/12

Answer

1/12

Answer

11/24

Answer

1

Question 30

What is the sum in the simplest form?
3/8 + 3/8

Accepted Answer

3/4

Answer

3/16

Answer

6/16

Answer

6/8

Question 31

13/15 - 3/4

Accepted Answer

7/60

Answer

10/9

Answer

39/60

Answer

97/60

Question 32

4/6 + 2/3

Accepted Answer

8/9

Answer

8/18

Answer

4/9

Answer

6/9

Question 33

Carl has three lengths of cable, 5/6 yard long, 1/4 yard long, and 2/3 yard long. He needs at least 1 yard of cable. Which two pieces make a length at least 1 yard and closest to 1 yard?

Accepted Answer

5/6 + 1/4

Answer

5/6 + 2/3

Answer

1/4 + 2/3

Answer

None make at least a yard

Question 34

1/2 + 1/3 + 1/5 =

Accepted Answer

31/30

Answer

3/10

Answer

1/30

Answer

These fractions cannot be added

Question 35

At the neighborhood block party, Cora served 1/2 of a gallon of hot chocolate and 1/10 of a gallon of apple cider. How much hot chocolate and apple cider did Cora serve?

Accepted Answer

3/5

Answer

2/5

Answer

2/11

Answer

1/6

Question 36

Question 36.

Accepted Answer

13/28

Answer

1/28

Answer

1/3

Answer

9/14

Question 37

What is the sum of these fractions?

Accepted Answer

17/20

Answer

4/5

Answer

3/20

Answer

4/20

Question 38

Question 38.

Accepted Answer

7/8

Answer

14/16

Answer

8/7

Answer

4/10

Question 39

Question 39.

Accepted Answer

14 2/5

Answer

13 16/25

Answer

13 1/4

Question 40

#3

Accepted Answer

4 and 5/12 ft

Answer

16 and 11/12 ft

Answer

4 and 2/3 ft

Answer

4 ft

Question 41

#2

Accepted Answer

1 and 5/12 miles

Answer

1 and 1/2 miles

Answer

5/7 mile

Answer

2 and 5/12 miles

Question 42

2 1/4 + 3 2/12

Accepted Answer

5 5/12

Answer

5 3/4

Answer

5 3/12

Answer

5 2/4

Question 43

2 5/10 +1 1/2

Accepted Answer

4

Answer

4 1/10

Answer

3 5/10

Answer

5 6/10

Question 44

5 5/6 + 2 3/4=
Reduce if needed.

Accepted Answer

8 7/12

Answer

5 2/3

Answer

7 19/12

Answer

4 1/2

Question 45

9 2/3 + 2 7/9=
Reduce if needed.

Accepted Answer

12 4/9

Answer

11 13/9

Answer

11 7/9

Answer

7 7/9

Question 46

12 8/9 + 3 4/9=
(SIMPLEST FORM)

Accepted Answer

16 1/3

Answer

15 3/9

Answer

17 3/9

Answer

16  3/7

Question 47

11  9/10 + 3  1/20

Accepted Answer

14  19/20

Answer

15  1/10

Answer

15  19/20

Answer

14  9/20

Question 48

7  2/3 + 8  5/6

Accepted Answer

16  1/2

Answer

16  2/6

Answer

15  5/6

Question 49

9 2/3 + 2 7/9=
Reduce if needed.

Accepted Answer

12 4/9

Answer

11 13/9

Answer

11 7/9

Answer

7 7/9

Question 50

5 1/2 + 6 2/3=
Reduce if needed.

Accepted Answer

12 1/6

Answer

11 7/6

Answer

10 1/6

Answer

9 3/4

Question 51

2 2/10 + 5 1/5 =
Reduce if needed.

Accepted Answer

7 2/5

Answer

5 3/4

Answer

3 3/5

Answer

7 4/10

Question 52

3 1/4 + 2 3/8

Accepted Answer

5 5/8

Answer

5 1/4

Answer

1 1/4

Answer

1 1/8

Question 53

5 1/2 + 6 2/3=
Simplify/Reduce if needed.

Accepted Answer

12 1/6

Answer

11 7/6

Answer

10 1/6

Answer

9 3/4

Question 54

7 4/7 - 5 2/7 =

Accepted Answer

2  2/7

Answer

2  6/7

Answer

12  6/7

Answer

2  1/7

Question 55

Question 55.

Accepted Answer

6

Answer

6   4/10

Answer

12    8/10

Answer

5    8/10

Question 56

Question 56.

Accepted Answer

4 7/12

Answer

5 7/12

Answer

5 5/12

Answer

4 5/12

Question 57

Question 57.

Accepted Answer

2  3/4

Answer

2  8/9

Answer

3  1/2

Answer

5  1/2

Question 58

6 - 2 4/5

Accepted Answer

3  1/5

Answer

4  4/5

Answer

3  9/5

Question 59

Question 59.

Accepted Answer

4 11/12

Answer

5 1/1 = 6

Answer

5 1/12

Answer

5 11/12

Question 60

Question 60.

Accepted Answer

5  1/6

Answer

4  2/3

Answer

3  4/5

Answer

5  2/7

Question 61

5 - 2 3/4

Accepted Answer

2  1/4

Answer

2  2/4

Answer

3  3/4

Question 62

6 2/4 - 2 2/5=
Reduce if needed.

Accepted Answer

4  1/10

Answer

5  2/7

Answer

4  2/20

Answer

6  1/2

Question 63

9 1/2 - 2 2/4=
Reduce if needed.

Accepted Answer

7

Answer

7  1/2

Answer

11

Answer

11  1/2

Question 64

Rick made a paper football that was 1 ¹/₆inches long. Carly made one that was ⁵/₆of inch long. How much longer was Rick's paper football than Carly's?

Accepted Answer

1/3 inch

Answer

2 inches

Answer

1 ⁴/₆ inches

Answer

1 ²/₃inches

Adding and Subtracting Fractions and Mixed Numbers

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