Answers

Add 24/84 and 21/84

24/84 + 21/84 is 15/28.

Steps for adding fractions

1. Add the two fractions:
   24/84 + 21/84 = 24 + 21/84 = 45/84
2. 45/84 simplified gives 15/28
3. So, 24/84 + 21/84 = 15/28

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