Adding and Subtracting Fractions

Adding

100

1/2 + 1/2

1

200

3/8 + 4/8

7/8

300

8/36+4/36

1/3

400

12/27+3/27

5/9

500

17/49+11/49

4/7

Subtracting

100

3/4-2/4

1/4

200

7/8-4/8

3/8

300

12/16-8/16

1/4

400

37/49-9/49

4/7

500

21/63-3/63

2/7

Add/Sub different denominator

100

1/2+1/4

3/4

200

7/10-1/5

5/10=1/2

300

7/24+3/8

16/24=2/3

400

21/36-3/9

9/36=1/4

500

42/49-6/7

0

Mixed Fractions add/sub

100

1 1/4 + 2 2/4

3 3/4

200

3 1/6 + 2 2/6

5 1/2

300

3 1/3 + 2 2/3

6

400

5 4/7 + 4 6/7 

10 3/7

500

7 11/16 + 4 9/16

12 1/4

Improper fractions add/sub

100

3/2 + 2/2

5/2

200

7/4 - 1/4

3/2

300

15/6 + 9/6

24/6 or 4

400

21/8 + 7/4

35/8

500

12/9 + 5/3

27/9 or 3