Answers

Add 9/63 and 21/63

9/63 + 21/63 is 10/21.

Steps for adding fractions

1. Add the two fractions:
   9/63 + 21/63 = 9 + 21/63 = 30/63
2. 30/63 simplified gives 10/21
3. So, 9/63 + 21/63 = 10/21

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