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Adding Fractions
Subtracting Fractions
Mixed Problems
(Addition/Subtraction)
Estimating Fractions
100

Find the sum. Simplify, if possible.

1/3+1/5?

8/15

100

Find the difference. Simplify, if possible.

What is 3/9-2/18?

2/9

100

Solve. Simplify if possible.

2/5 + (7/10 - 4/10)

7/10

100

Estimate each sum or difference by replacing each fraction with 0, 1/2, or 1. 

3/8 + 9/16

1/2 + 1/2 = 1

200

Find the sum. Simplify, if possible.

3/5 + 1/6 

23/30

200

Find the difference. Simplify, if possible.

What is 4/6-2/8?

5/12

200

Solve. Simplify if possible.

(7/8 + 1/12) - 1/2

11/24

200

Estimate each sum or difference by replacing each fraction with 0, 1/2, or 1. 

2/5 + 3/4

1/2 + 1 = 1 1/2

300

Find the sum. Simplify, if possible.

2/9 + 1/9 + 1/6 = 

1/2

300

Find the difference. Simplify, if possible.

What is 4/20-1/3?

2/15

300

Solve. Simplify if possible.

2/3 + (5/12 - 1/6) 

11/12

300

Estimate each sum or difference by replacing each fraction with 0, 1/2, or 1. 

7/12 - 4/9

1/2 - 1/2 = 0

400

Bruce swam 7/10 mile to the first raft and 4/40 mile to the second raft. How far did Bruce swim?

4/5 mile

400

Paul's dad made a turkey pot pie for dinner on Wednesday. The family ate 4/8 of the pie. On Thursday after school, Paul ate 2/16 of the pie for a snack. What fraction of the pie remained

3/8

400

Kayla had 9/10 gallon of paint. She used 2/3 gallon for the bedroom ceiling and 1/5 gallon for the bathroom ceiling. How much paint does she have left after painting the two ceilings?

1/30 gallon

400

Estimate each sum or difference by replacing each fraction with 0, 1/2, or 1. 

19/20 - 9/16 

1 - 1/2 = 1/2

500

Kevin and some of his friends baked different loaves of bread and cut them into different numbers of slices. They ate 1/4 of one loaf, 1/4 of another, 5/12 of another, and 1/12 of another. Did they eat the equivalent of a whole loaf? Explain. 

Yes, they ate the equivalent of a whole load. 

1/4 = 3/12

3/12 + 3/12 + 5/12 + 1/12 = 12/12 = 1 whole

500
Beth wants to exercise for 4/5 hour. So far, she has exercised for 2/3 hour. What fraction of an hour does she have left to go? 

2/15 hour

500

Elena had 5/6 gallon of water in her watering can. While gardening, she used 1/2 gallon to water her tomato plants. Then, she refilled her can with 1/4 gallon of water from the hose. How much water does Elena have in her watering can now?

7/12 gallon

500

Estimate each sum or difference by replacing each fraction with 0, 1/2, or 1. 

5/8 - 1/6 

1/2 - 0 = 1/2