Fractions

Adding

100

1/3 + 3/8

17/24

200

1/8 + 1/2

5/8

300

2/5 + 5/7

1  4/35

or 

39/35

400

1   2/3   +   2   3/4

4    5/12

500

1   3/5   +   4   5/7

6   11/35

Subtracting

100

2/3   -  3/8

7/24

200

3/4  - 1/6

7/12

300

4/9  -  2/5

2/45

400

16/4   -  8/5

12/5

or

2    2/5

500

13   2/3   -  6  1/3   

7   1/3

Multiply

100

2/5  *  3/4  

3/10

200

3/4  *  7/10

21/40

300

4/21    *  7/16   

1/12

400

3/4   *  2/3

1/2

500

2/3     *    31/19

62/57

Divide

100

2/5   /   2/3

3/5

200

1/3   /   2/5

5/6

300

1/2   /   6

3

400

4/5   /  2

2/5

500

5/6   /  7/12   

1   3/7

Mixed, Improper, Simplify

100

Simplify 12/36

1/3

200

convert to a mixed number 89/35

2    19/35

300

convert to an improper fraction  2   8/9

26/9

400

convert to a mixed number  111/20

5   11/20

500

Convert to an improper fraction  2   31/48

127/48