Quiz about Adding Fractions with unlike denominators

Question 1

3/8 + 2/4 =

Accepted Answer

7/8

Answer

5/12

Answer

5/8

Answer

6/8

Question 2

3/8 + 2/4 =

Accepted Answer

7/8

Answer

5/12

Answer

5/8

Answer

6/8

Question 3

5/6 + 1/12 =

Accepted Answer

11/12

Answer

6/18

Answer

5/60

Answer

10/12

Question 4

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 5

Paula made some chili with 1/2 of a can of black beans and 3/8 of a can of pinto beans. How many cans of beans did Paula use in all?

Accepted Answer

7/8

Answer

4/10

Answer

4/8

Answer

1/8

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?
3/10 and 1/5

Accepted Answer

10

Answer

5

Answer

15

Answer

These numbers do not have a common denominator

Question 8

Joe has listed the first 4 multiples of 7 as:
7 14 22 28
Which one is incorrect?

Accepted Answer

22

Answer

7

Answer

14

Answer

28

Question 9

What math equation is being represented in the picture?

Accepted Answer

$$\frac{2}{3}+\frac{1}{5}$$

Answer

$$\frac{1}{3}+\frac{1}{5}$$

Answer

$$\frac{2}{3}+\frac{4}{5}$$

Answer

$$\frac{1}{3}+\frac{4}{5}$$

Question 10

When the denominators are not the same, I must find a...

Accepted Answer

common denominator

Answer

common numerator

Answer

equivalent fraction

Answer

mixed number

Question 11

In order to ADD fractions, all denominators must be the...

Accepted Answer

same

Answer

different

Question 12

Question 12.

Accepted Answer

1

Answer

3/6

Answer

1/2

Answer

2

Question 13

Question 13.

Accepted Answer

1 7/12

Answer

13/15

Answer

1

Answer

9/15

Question 14

What is the the next step to finding this answer?

Accepted Answer

Multiply to find each new numerator by the multiple used to get 12. (3 X1) (4 X 1)

Answer

Add the numerators (1+1=2)

Answer

Multiply 12 X 1 for both fractions to find a new numerator

Answer

This is a mistake, you don't need to convert to twelfths

Question 15

Simplify $$\frac{4}{12}$$

Accepted Answer

1/3

Answer

2/6

Answer

1/6

Answer

1/4

Question 16

simplify 2/8

Accepted Answer

1/4

Answer

1/2

Answer

1/8

Answer

2/8

Question 17

If possible, simplify the following fraction. $$\frac{15}{20}$$

Accepted Answer

$$\frac{3}{4}$$

Answer

$$\frac{1}{2}$$

Answer

$$\frac{4}{5}$$

Answer

This fraction is already in simplest form.

Question 18

If possible, simplify the following fraction $$\frac{12}{18}$$

Accepted Answer

$$\frac{2}{3}$$

Answer

$$\frac{4}{6}$$

Answer

$$\frac{1}{2}$$

Answer

This fraction is already in simplest form.

Question 19

When she got to class, Sara saw that 6/10 of her class was already there. What is the simplest form of the number of students already in her class?

Accepted Answer

3/5

Answer

2/5

Answer

12/20

Answer

2/4

Adding Fractions with unlike denominators

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