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Quiz No. 3: Adding and Subtracting Fractions

Total questions: 25

Worksheet time: 1hrs 28mins

Name
Class
Date
1.

2/3 + 1/3 =

a)

3/6

b)

1/2

c)

3

d)

1

2.

3/4 - 1/4 =

a)

4/4

b)

2/4

c)

1/2

d)

2/0

3.

1/2 + 1/3 =

a)

2/5

b)

3/5

c)

5/3

d)

5/6

4.

1/3 - 1/4 =

(a)  

5.
What is 1/8 + 5/8?
a)
1
b)
6/16 or 3/8
c)
6/8 or 3/4
d)
2/4 or 1/2
6.

Before you add or subtract fractions what must be the same?

a)

Numerator

b)

Denominator

c)

Just add

d)

Just subtract

7.
What is the sum of these fractions?
a)
4/5
b)
3/20
c)
17/20
d)
4/20
8.
a)
1/12
b)
1
c)
2/35
d)
23/25
9.
a)

45\frac{4}{5}

b)

410\frac{4}{10}

c)

25\frac{2}{5}

d)

5

10.

1/3 + 1/9

a)

4/9

b)

9/12

c)

6/15

d)

3/12

11.
What number could be a common denominator for these two fractions?
2/3   and   3/4
a)
3
b)
4
c)
7
d)
12
12.
What number could be a common denominator for these two fractions?
1/5   and   5/6?
a)
30
b)
11
c)
6
d)
5
13.

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?

a)

1 1/2

b)

2/3

c)

1/5

d)

3/4

14.
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?
a)
3/5
b)
2/5
c)
2/11
d)
1/6
15.

When subtracting fractions that don't have like denominators, what is the first step?

a)

Find their least common denominator

b)

Convert them to decimals

c)

Find their greatest common factor

d)

Subtract the numerators

16.

Gordon used 1 3/4 cups of flour and then used an additional 1 3/4 cups of flour again. How much flour did he use altogether?

a)

2 6/8 cups

b)

6/4 cups

c)

2 2/4 cups

d)

3 2/4 cups

17.
Carla's sister is 4 1/3 feet tall and her brother is 2 2/3 feet tall. How much taller is her sister than her brother? 
a)
1 1/6 feet
b)
2 1/3 feet
c)
2 1/6 feet
d)
1 2/3 feet
18.
Subtract: 2 1/4 - 1 3/4
a)
1 2/4
b)
2/4
c)
9/4
d)
7/4
19.

What fraction of the circle is pizza?

a)

1/3

b)

1/2

c)

1/4

d)

2/3

20.

Solve

a)

5/9

b)

10/9

c)

4/9

d)

3/9

21.
What number could be a common denominator for these two fractions?
3/10   and   1/5
a)
5
b)
10
c)
15
d)
These numbers do not have a common denominator
22.
What must you have to add and subtract fractions?
a)
Common numerators
b)
Different numerators
c)
Different denominators
d)
Common denominators
23.
What is the least common denominator for 6/7 and 1/2?
a)
12
b)
14
c)
7
d)
6
24.
Is this a correct answer?
a)
Yes, the student correctly added.
b)
No, you cannot add unlike denominators
c)
No, 5 + 7 is not 12
d)
No, 2 + 3 is not 5
25.

Jamal reads for 1/2 hour on Monday and 1/3 hour on Tuesday. How much more did he read on Monday than on Tuesday?

a)

1/6

b)

5/6

c)

2/5

d)

1

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