Answers

Add 30/42 and 21/42

30/42 + 21/42 is 17/14.

Steps for adding fractions

1. Add the two fractions:
   30/42 + 21/42 = 30 + 21/42 = 51/42
2. 51/42 simplified gives 17/14
3. So, 30/42 + 21/42 = 17/14
   In mixed form: 13/14

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