Answers

Add 3/42 and 21/42

3/42 + 21/42 is 4/7.

Steps for adding fractions

1. Add the two fractions:
   3/42 + 21/42 = 3 + 21/42 = 24/42
2. 24/42 simplified gives 4/7
3. So, 3/42 + 21/42 = 4/7

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