Answers

Add 28/72 and 4/72

28/72 + 4/72 is 4/9.

Steps for adding fractions

1. Add the two fractions:
   28/72 + 4/72 = 28 + 4/72 = 32/72
2. 32/72 simplified gives 4/9
3. So, 28/72 + 4/72 = 4/9

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