Answers

Add 9/42 and 21/42

9/42 + 21/42 is 5/7.

Steps for adding fractions

1. Add the two fractions:
   9/42 + 21/42 = 9 + 21/42 = 30/42
2. 30/42 simplified gives 5/7
3. So, 9/42 + 21/42 = 5/7

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