Frac Add
Frac Subtract
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Mix Subtract
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100

2/12+2/4=

32/48

100

4/5-4/6 =

2/15

100

3 1/4+ 3 5/8 =


6 7/8

100

5 7/10 -4 1/2 =

1 1/5 (1 2/10)

100

11 x 30 =

330

200

2/7+6/10 =

31/35

200

  9/12-1/5

11/20

200

 3 5/11 +7 2/3 =

11 4/33

200

8 3/10 -4 1/4 =

4 1/20

200

67 x 23 =

1541

300

2/7 +1/4 =

15/28

300

7/8-1//8 =

3/4

300

5 1/2 + 8 3/4 =

14 1/4

300

5 3/4- 4 1/2 =

1 1/4

300

312 x12 =

3,744

400

4/10 +4/5 =

60/50 or 1 1/5

400

2/3-2/4 =

1/6

400

10 8/10 + 9 7/12 =

20 23/60

400

8 6/10 - 2 1/3 =

6 4/15

400

3/5 x 3/4 =

9/20

500

3/5 + 3/8 =

39/40

500

4/5-3/4 =

1/20

500

4 3/7 + 6 1/5 =

10 22/35

500

9 4/10 - 1 1/3=

8 1/15

500

144 x123 =

17,712

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