Answers

Add 21/84 and 45/84

21/84 + 45/84 is 11/14.

Steps for adding fractions

1. Add the two fractions:
   21/84 + 45/84 = 21 + 45/84 = 66/84
2. 66/84 simplified gives 11/14
3. So, 21/84 + 45/84 = 11/14

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