Fraction Operations

Adding fractions

100

3/4 + 2/4 + 1/4 =

1 1/2

200

2/3 + 1/6 =

5/6

300

9/10 + 2  3/5 =

3  1/2

400

4/5 + 1/9 =

41/45

500

6/7 + 5/12

1 23/84

Subtracting Fractions

100

7/8 - 1/4

5/8

200

4/5 - 1/6

19/30

300

11/12 - 1/4

8/12

400

5 1/5 - 1 3/5

3 3/5

500

3  1/3 - 3/4 = 

2  7/12

Multiplying Fractions

100

1/2 x 5 

2 1/2

200

2/3 of 90

60

300

4/5 x 9/22

36/110

400

2/5 of 23

8 3/5

500

4/9 of 128

56 8/9

Dividing Fractions

100

1/2 ÷ 3

1/6

200

3 ÷ 1/2 

6

300

5 ÷ 1/3

15

400

1/4 ÷ 4

1/16

500

3 ÷ 1/8 

24

Word Problems

100

Kai has 15 inches of string. He cut off 1/4 of the string for a project. How much string did he cut off? 

3 3/4 inches

200

Greg ate 4 2/8 pizzas. Jamal ate 1 5/8 pizzas. How many more pizzas did Greg eat than Jamal?

Greg ate 2 5/8 more pizzas than Jamal 

300

A television station plays cartoons nonstop. Each cartoon lasts 1/4 of an hour. How many cartoons will play one day? 

96 cartoons

400

Alex has 1/3 gallons of chocolate milk. He wants to split the chocolate milk between himself and 4 of his friends. How much chocolate milk should each friend get?

1/15 of a gallon of chocolate milk

500

A plant was 3 2/3 inches tall on Monday. The same plant was 4 1/8 inches tall on Friday. How many inches did the plant grow between Monday and Friday?

The plant grew 11/24 of an inch between Monday and Friday