Answers

Add 20/63 and 4/63

20/63 + 4/63 is 8/21.

Steps for adding fractions

1. Add the two fractions:
   20/63 + 4/63 = 20 + 4/63 = 24/63
2. 24/63 simplified gives 8/21
3. So, 20/63 + 4/63 = 8/21

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