Answers

Add 28/72 and 40/72

28/72 + 40/72 is 17/18.

Steps for adding fractions

1. Add the two fractions:
   28/72 + 40/72 = 28 + 40/72 = 68/72
2. 68/72 simplified gives 17/18
3. So, 28/72 + 40/72 = 17/18

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