Answers

Add 12/63 and 18/63

12/63 + 18/63 is 10/21.

Steps for adding fractions

1. Add the two fractions:
   12/63 + 18/63 = 12 + 18/63 = 30/63
2. 30/63 simplified gives 10/21
3. So, 12/63 + 18/63 = 10/21

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