Subtracting/ Adding/ Multiplying and Dividing Fractions

Multiplying/ Dividing Mixed Numbers

100

1 9/10 X 3 1/2

6 13/20 or 133/20

200

3 8/10 X 3 4/9 =

13 4/45 or 589/45

300

9 2/4 divided by 2 2/6

4 1/14 or 57/14

400

20 5/8 divided by 12 6/10

1,650/1008 

500

120 3/4 divided by 100 6/8

3,864/3224

Adding like Denominators

100

8 1/2 + 1/2 

9 

200

5 1/15 + 7 10/15

12 11/15

300

7 2/50 + 6 39/50

13 41/50

400

6 5/11 + 9 3/11

15 8/11

500

100 10/20 + 158 11/20

258 22/20 or 259 1/20

Subtracting like Denominators

100

17 4/9 - 8/9 

16  5/9

200

4 14/16 - 2 15/16 

1 15/16

300

9 9/25 - 2 23/25

6 11/25

400

8 2/4 - 2 3/4 

5 3/4 

500

4 3/8 - 2 5/8 

1 2/8

Subtracting Unlike Denominators

100

20 1/3 - 19 1/6

1 1/6 

200

20 1/3 - 16 3/8

3 23/ 24

300

19 4/9 - 18 1/8 

1 23/72

400

19 1/8 - 13 2/5

5 29/40 

500

15 2/9 - 11 3/8

3 61/72

Adding Unlike Denominators

100

2 7/8 + 3 4/11

6 21/88

200

8 1/2 + 8 4/5 

17 3/10

300

4 3/7 + 6 3/5 

11 1/35

400

8 9/11 + 5 2/3

14 16/33

500

3 1/4 + 6 1/11 

9 15/44