Answers

Add 15/63 and 20/63

15/63 + 20/63 is 5/9.

Steps for adding fractions

1. Add the two fractions:
   15/63 + 20/63 = 15 + 20/63 = 35/63
2. 35/63 simplified gives 5/9
3. So, 15/63 + 20/63 = 5/9

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