addition
substraction
division
fraction numbers

100

2/8 + 3/8

5/8

100

3/5 - 2/5

1/5

200

1/2 + 2/2














3/2

200

5/6 - 1/6

4/6

300

4/9 +5/9

9/9

300

6/7 - 2/7

4/7

400

7/5 + 6/5

13/5

400

8/3 - 4/3

4/3

500

2/8 + 5/8

7/8

500

6/3 - 4/3

2/3