Topic 7: Adding and Subtracting Fractions

Benchmark Fractions

100

Is the fraction closest to 0, 1/2, or 1?

7/12

1/2

200

Is the fraction closest to 0, 1/2, or 1?

5/8 - 1/6 =

1

300

Is the fraction closest to 0, 1/2, or 1?

11/12 - 8/10=

0

400

Is the fraction closest to 0, 1/2, or 1?

1 7/10 + 4 2/3 =

7

500

Is the fraction closest to 0, 1/2, or 1?

9 3/7 - 6 2/5 =

3

Add Fractions

100

Solve:

1/12 + 3/8 =

11/24

200

Solve: 

1/9 + 5/6 =

17/18

300

Solve:

1/6 + 5/8 =

19/24

400

Solve:

Brenda mixed together 11/16 quart of cranberry juice and 8/32 of ginger ale. How much punch did Brenda make?

15/16 quart

500

Solve:

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

4/5 mile

Subtract Fractions

100

Solve:

5/4 - 5/8 =

5/8

200

Solve:

8/8 -4/9 =

5/9

300

Solve:

2/9 - 1/8 =

7/72

400

Solve:

1/2 - (1/8 + 1/8) =

1/4

500

Solve:

( 1/2 + 3/20) - 2/20 =

11/20

Add Mixed Numbers

100

Solve:

1 1/2 + 1 5/6 =

4 2/3

200

Solve:

2 1/4 + 5 11/12 =

8 1/6

300

Solve:

3 1/3 + 9 11/12 =

13 1/4

400

Justin jogs 3 2/5 miles every morning. He jogs 4 6/10 miles every evening. How many miles does he jog every day?

8 miles

500

Ken used 1 3/8 cups of walnuts and 1 3/4 cups of raisins to make trail mix. How many total cups of trail mix did he make?

3 1/8 cups

Subtract Mixed Numbers

100

 Solve:

15 6/10 - 3 4/5 =

11 4/5

200

Solve: 

9 7/10 - 3 4/5 =

5 9/10

300

Solve:

( 2 1/6 + 3 3/4) - 1 5/12 =

4 1/2

400

Solve:

(4 4/5 + 7 1/3) - 1 7/15 =

10 2/3

500

Jeff's sister drives 14 miles to her college, but his brother only drives 5 7/10 miles to his college. How much farther does Jeff's sister drive than his brother?

8 3/10 miles