unlike fractions
100

7 2/9 + 3 5/6

10 19/18 or 11 1/18

200

5 2/8 + 9 5/6

14 26/24 or 15 2/24 or 15 1/12

300

6 5/8 + 3 6/9 

9 93/72 or 9 34/24

400

3 1/4 + 2 1/2 

5 3/4 

500

5 5/9 + 6 4/3 

11 17/9 or 12 8/9 

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