Adding and Subtracting Fractions

Estimating

100

Estimate. 

8 11/12 + 4 1/3=

13

200

Estimate.

15 3/7 - 3 4/7= 

11

300

Estimate.

10 2/7 + 7 5/7=

18

400

Estimate. 

7 7/9 - 1 5/18=

7

500

Estimate.

9/16 + 16 5/8=

18

Adding/Subtracting Like Denominators

100

Add. Then simplify.

2/6 + 2/6= 

2/3

200

Add. Then simplify. 

4/9 + 5/9=

1

300

Subract. Then simplify. 

3/4 - 1/4=

1/2

400

Subtract. Then simplify. 

5/9 - 2/9=

1/3

500

Subtract. Then simplify. 

7 3/4 - 2 1/4= 

5 1/2

Word Problems

100

Chris spent 5/6 hour drawing and 2/6 hour reading. How much more time did he spend drawing than reading? Write in simplest form.

1/2 hour

200

The Indian Ocean is 2/10 of the area of the world's oceans. What fraction represents the area of the remaining oceans that make up the world's oceans? Write in simplest form. 

4/5

300

Liam spent 1 3/4 hours playing board games and 2 1/4 hours watching a movie. About how much time did he spend altogether on the two activities? 

2 + 2 = 4 hours

400

Lacy made 1 5/8 quarts of punch. Then she made 1 7/8 more quarts. How much did she make in all? 

3 1/2 quarts

500

A flower is 9 3/4 inches tall. In one week, it grew 1 1/8 inches. How tall is the flower at the end of the week? Write in simplest form.

10 7/8 inches

Adding/Subtracting Unlike Denominators

100

9 9/10 + 7 3/5= 

17 1/2

200

13 9/10 - 4 2/5=

9 1/2

300

8 3/8 - 2 1/4=

6 1/8

400

18 11/15 - 9 2/5=

9 1/3

500

4 3/7 + 7 1/2= 

11 13/14

Mystery

100

Estimate. 

6 7/8 + 5 2/9=

7 + 5 = 12

200

6 5/7 - 3 3/7 =

3 2/7

300

Tim spent 3 4/5 hours and Misty spent 2 1/10 hours at gymnastics practice over the weekend. How many more hours did Tim spend than Misty at gymnastics practice?

1 7/10 hours

400

5 3/4 - 3 5/12=

2 1/3

500

What are Ms. Pagano's dog's names?

Tuck and Lady