Answers

Add 21/45 and 30/45

21/45 + 30/45 is 17/15.

Steps for adding fractions

1. Add the two fractions:
   21/45 + 30/45 = 21 + 30/45 = 51/45
2. 51/45 simplified gives 17/15
3. So, 21/45 + 30/45 = 17/15
   In mixed form: 12/15

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