Show:
add
subract
multiplication
division
100

2/7 2/8

15/28


100

8/7 - 9/8

1/56

100
3/4 X 7/3

7/4

100

7/2 ÷ 3/4

14/3

200

3/7 3/8

46/56

200

2/7 -  9/8

47/56

200

1/3 x 4/9

1/9

200

1/3 ÷ 3/5

5/9

300

6/7 5/8

1 27/56

300

2/7 -  4/8

3/14

300

3/4 x 5/6

3/6


300

1/2 ÷ 4/9

9/8

400

2/7 9/8

1 23/56

400

1/7 - 3/8

13/56

400

3/2 X 7/9

7/15

400

5/2 ÷ 3/2

1/2


500

8/7 9/8

2 15/56

500

1/2 4/8

O

500

3/6 X 3/8

7/8

500

3/2 ÷ 3/7

21/6