Adding common
adding common denominators plus wholes
uncommon denominators
uncommon denominators plus whole
100

4/9+2/9

6/9

100

3 3/21+ 1 2/21

4 5/21

100

3/7+ 1/2

21/28

100

3 1/6+ 1 2/3

4 10/12

200

7/13+4/13

11/13

200

7 9/36+ 5 7/36

12 16/36

200

4/6+ 2/12

20/24

200

2 3/7+ 1 1/3

3 16/21

300

8/21+5/21

13/21

300

2 6/27+ 14 9/27

16 15/27

300

2/8 1/4

6/16

300

1 2/8+ 4 1/4

5 1/2

400

9/36+12/36

21/36

400

5 3/19+ 2 5/19

7 4/19

400

3/7+ 2/5

29/36

400

3 2/6+ 2 2/12

5 1/2

500

6/24+7/24

13/24

500

3 7/16+ 2 5/16

5 12/16

500

3/6+2/4

1 whole

500

2 1/6+ 1 2/4

3 2/3

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