Show:
Addition
Subtraction
Mutiplaction
Division
100

1/2 + 1/4=

3/4

100

1/2 - 1/4 =

1/4

100

1/2 x 1/6 = 

1/12

100

1/3 divided by 5/6

2/5

200

5/6 +9/11=

1 43/66

200

1/5 - 1/20 

1/4

200

4/5 x 1/3

4/15

200

1/2 divided by 1/2 

1

300

5/8 + 66/66= 

1 5/8

300

16/16- 8/9=

1/9

300

3/4 x 5/6

15/24

300

5/6 divided by  6/7

35/36

400

8/17 +9/18= 

33/44

400

16/17-7/8=

9/136

400

44/55 x 66/77

24/35

400

66/88 divided by 11/1=

3/44

500

20/6 + 9/88 =

907/264

500

66/88 - 8/14=

44/119


500

11/22 x 66/99

1/3

500

44 divided by 1/39

1716