Operations with Fractions

Addition

100

1/4 + 2/4

3/4

200

3/8 + 3/8

6/8 -> 3/4

300

1/3 + 1/6

3/6 -> 1/2

400

1/5 + 1/6

11/30

500

1 1/4 + 3/4

1 4/4 -> 2

Subtraction

100

4/5 - 3/5

1/5

200

7/8 - 3/8

4/8 -> 1/2

300

5/6 - 1/3

3/6 -> 1/2

400

7/10 - 1/4

9/20

500

2 1/2 - 1/3

2 1/6

Multiplication

100

1/3 x 1/2

1/6

200

2/5 x 3/4

6/20 -> 3/10

300

4/5 x 1/10

4/50 -> 2/25

400

3/8 x 4

12/8 -> 1 1/2 or 3/2

500

1/3 x 0.5

1/6

Division

100

1/2 ÷ 1/4

1/8

200

3/4 ÷ 1/2

6/4 -> 1 1/2 or 3/2

300

5/6 ÷ 3/2

15/12 -> 5/4 or 1 1/4

400

7/8 ÷ 3/4

28/24 -> 1 1/6 or 7/6

500

9/15 ÷ 1/4

36/15 -> 2 6/15

Word Problems

100

Emma ate 1/4 of a pizza at lunch and 2/4 later in the day. How much pizza did she eat in total?

3/4 of a pizza.

200

A rope is 7/8 meters long. Sam cuts off 3/8 meters. How much rope remains?

4/8 meters -> 1/2 meters of rope remains

300

A recipe uses 2/3 cup of sugar. If you make 3 batches, how much sugar will you need?

2 cups of sugar

400

A 3/4 kg bag of rice is shared equally among 5 people. How much rice does each person get?

3/20 kg of rice

500

A hiker walked 2 1/2 km in the morning and 1 3/4 km in the afternoon. How many km did the hiker walk in total?

4 1/4 km