Answers

Add 20/63 and 8/63

20/63 + 8/63 is 4/9.

Steps for adding fractions

1. Add the two fractions:
   20/63 + 8/63 = 20 + 8/63 = 28/63
2. 28/63 simplified gives 4/9
3. So, 20/63 + 8/63 = 4/9

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