Adding and Subtracting Fractions

Group 1

100

7/9 - 4/9 =

1/3

200

2/5 + 1/2 = 

9/10

300

7/10 - 1/2 =

1/5

400

1/2 + 1/4 = 

3/4

500

5/6 + 1/4 = 

1 1/12

Group 2

100

4/8 + 2/8 = 

3/4

200

1/4 + 3/5 =

17/20

300

2/3 - 1/12 =

7/12

400

19/20 - 3/10 =

13/20

500

3/4 + 7/8 = 

1 5/8

Group 3

100

3/5 - 1/5 =

2/5 

200

2/3 + 1/2 =

7/6

300

4/6 - 1/4 = 

5/12

400

8/15 - 1/5 =

1/3

500

9/8 + 4 3/8 = 

5 1/2

Group 4

100

3/8 + 3/8

3/4

200

2/3 + 1/6

5/6

300

5/6 - 3/9 = 

1/2

400

3/5 - 3/10 =

3/10

500

7/9 + 1/2

1 5/18

Group 5

100

7/8 - 5/8

1/4

200

2/6 + 2/8 =

7/12

300

5/6 - 1/3 = 

1/2

400

7/16 + 3/8 =

13/16

500

13/16 + 7/16 

1 1/4