Add
Subtract
Multiply
Simplify
Anything
100

5/9 + 8/9 

13/9 or 1 4/9

100

5/10 - 3/10

2/10 or 1/5

100

2 x 3/5

6/5 or 1 1/5

100

20/30

2/3

100

2 1/6 x 4 1/2 

simplify answer

9 3/4

200

3/12 + 5/12

8/12 or 2/3

200

5 12/12 - 4 8/12

1 4/12 or 1 1/3

200

7 x 5/12

35/12 or 2  11/12

200

2/6

1/3

200

simplify 10/100

1/10

300

2 2/3 + 5 1/2

8 1/6

300

11/12 - 2/3

3/12 or 1/4

300

4/7 x 10

40/7 or 5 5/7

300

45/9

5

300

3 1/5 x 2/3 simplify answer

2 2/15

400

1/3 + (2/3 + 4/12)

16/12 or 1 4/12 or 1 1/3

400

6 7/10 - 2 3/5

4 1/10

400

5/6 of 9/10 in simplest form

3/4

400

1 1/8 x 3 1/3 

3 3/4

400

5 1/3 x 3  simplify answer

16