Answers

Add 8/63 and 4/63

8/63 + 4/63 is 4/21.

Steps for adding fractions

1. Add the two fractions:
   8/63 + 4/63 = 8 + 4/63 = 12/63
2. 12/63 simplified gives 4/21
3. So, 8/63 + 4/63 = 4/21

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