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Subtraction
Addition
Unlike Denominators
Multiplication
Random
100

6/6 - 5/6

1/6

100

4/6 + 1/6

5/6

100

1/2 + 1/5

7/10

100

1/8 * 1/5

1/40

100

1/2 + 2/2

3/2
200

17/8 - 9/8

1
200

7/8 + 8/8

15/8

200

3/8 + 1/4

5/8

200

4/7 * 1/2

4/14 or 2/7

200

8/7 - 5/7

3/7

300

7/7 - 7/7

0

300

1 + 6/6

2

300

2/6 + 1/3

4/6 or 2/3

300

3/5 * 5/6

15/30 or 1/2

300

(1/2 * 3/4) + 2/4

7/8

400

5/3 - 1

2/3

400

17/9 + 3/9

20/9

400

1/5 - 1/10

1/10

400

3/4 * 3/2

9/8

400

5/6 - 1/3

3/6 or 1/2

500
0/1 - 0/1

0

500

5/8 + 8/8

13/8

500

2/3 - 1/9

5/9

500

1/4 * 6/6

1/4

500

(3/4 - 2/4 + 1/8) * 1/3

3/24 or 1/8