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Unlike Denominators Easy
Unlike Denominators Medium
Unlike Denominators Hard
100

1/4 + 2/6

7/12

100

3/5 - 1/7 =

16/35

100

8/9 - 3/10 =

53/90

200

5/6 - 1/4 =

7/12

200

2/4 + 3/9 =

30/36

200

12/20 + 10/15 =

76/60

300

2/5 - 1/6 =

7/30

300

5/10 - 1/3 =

5/30

300

8/20 - 3/15 =

12/60


400
3/5 + 1/8 =
29/40
400

4/5- 3/8 =

17/40

400

10/100 + 30/300

60/300

500
1/5 + 1/4 =
9/20
500

20/40 + 30/60 =

1

500

13/20 + 7/30 = 

53/60