Answers

Add 28/90 and 50/90

28/90 + 50/90 is 13/15.

Steps for adding fractions

1. Add the two fractions:
   28/90 + 50/90 = 28 + 50/90 = 78/90
2. 78/90 simplified gives 13/15
3. So, 28/90 + 50/90 = 13/15

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