Multiplying
Dividing
Adding
Subtracting
Random
100

5/7 * 2/4

10/28 or 5/14

100

1/2 / 3/5

5/6

100

1/2 + 3/4

5/4

100

1/2 - 5/6

-2/6

100

How do you add fractions?

Make the denominator the least common multiple of the two previous denominators, then keep the denominator the same in your final answer

200

5/12 * 2/8

10/96 or 5/48

200

3/7 / 8/15

45/56

200

5/6 + 7/8

41/24

200

5/10 - 2/5

1/10

300

4/30 * 8/13

32/390 or 16/195

300

5/21 / 9/14

70/189

300

2/12 + 4/6

10/12

300

6/12 - 2/3

-2/12

400

10/22 * 5/18

50/396 or 25/198

400

25/37 / 9/42

1050/333

400

3/18 + 5/9

13/18

400

7/14 - 8/28

6/28

500

12/36 * 23/53

276/1908 or 138/954 or 69/477

500

66/84 / 59/64

4224/4956

500

7/15 + 20/30

34/30

500

12/36 - 4/6

-12/36

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