Adding and subtracting fractions with like denominators

Adding

100

2/8 + 3/8

5/8

300

8/35 + 6/35

14/35

500

3/16 + 4/16

7/16

Adding

100

3/9 + 5/9

8/9

300

6/6 + 1/6

7/6

500

8/10 + 5/10

13/10

Dissimilar

100

8/9 - 3/9

5/9

300

7/9 - 4/9

3/9

500

9/7 - 3/7

6/7

Dissimilar

100

6/7 - 3/7

3/7

300

7/6 - 4/6

3/6 or 1/2

500

8/8 - 2/8

6/8

Mix of the 2

100

6/13 + 3/13

9/13

300

7/9 - 5/9

2/9

500

2/9 + 8/9

10/9