Answers

Add 6/63 and 21/63

6/63 + 21/63 is 3/7.

Steps for adding fractions

1. Add the two fractions:
   6/63 + 21/63 = 6 + 21/63 = 27/63
2. 27/63 simplified gives 3/7
3. So, 6/63 + 21/63 = 3/7

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