Answers

Add 21/84 and 6/84

21/84 + 6/84 is 9/28.

Steps for adding fractions

1. Add the two fractions:
   21/84 + 6/84 = 21 + 6/84 = 27/84
2. 27/84 simplified gives 9/28
3. So, 21/84 + 6/84 = 9/28

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