Answers

Add 40/84 and 28/84

40/84 + 28/84 is 17/21.

Steps for adding fractions

1. Add the two fractions:
   40/84 + 28/84 = 40 + 28/84 = 68/84
2. 68/84 simplified gives 17/21
3. So, 40/84 + 28/84 = 17/21

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