Adding and subtracting fractions

Adding fractions

100

4/9+3/9

7/9

200

6/12+12/12

18/12

300

13/20+14/20

27/20

400

58/100+42/100

100/100

500

177/200+157/200

334/200

Subtracting fractions

100

5/9-4/9

1/9

200

13/14-3/14

9/14

300

25/30-15/30

10/30

400

75/75-27/57

48/75

500

255/500-186/500

69/200

Decomposing fractions

100

Give two ways to decompose: 

3/6

1/6, 1/6, 1/6

2/6,1/6

200

Give two ways to decompose: 

6/12

1/12, 1/12, 1/12, 1/12, 1/12, 1/12

4/12,2/12

1/12,5/12

3/12,3/12

300

give two ways to decompose : 

15/20

1/20 (15 times)

1/20, 15/20

9/20, 6/20

400

Two ways to decompose: 

46/50 

1/50 (46 times)

40/50, 6/50

23/40, 23/40

500

show two ways to decompose: 

156/200

100/200, 56/200

155/200, 1/200

adding mixed numbers

100

5 5/10 + 2 2/10

7 7/10

200

3 3/15 + 7 8/15

10 11/15

300

4 13/20 + 6 13/20

17 26/20

400

25 45/100 + 20 35/100

45 80/100

500

15 177/200 + 21 126/200

36 303/200

Subtracting mixed numbers

100

4 5/6 - 3 2/6

1 3/6

200

4 5/10 - 3 4/10

1 1/10

300

4 2/3 - 2 3/3

1 2/3

400

3 6/10- 1 7/10

1 9/10

500

15 4/20-4 12/20

10 12/20