Answers

Add 30/54 and 21/54

30/54 + 21/54 is 17/18.

Steps for adding fractions

1. Add the two fractions:
   30/54 + 21/54 = 30 + 21/54 = 51/54
2. 51/54 simplified gives 17/18
3. So, 30/54 + 21/54 = 17/18

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