Answers

Add 28/90 and 63/90

28/90 + 63/90 is 91/90.

Steps for adding fractions

1. Add the two fractions:
   28/90 + 63/90 = 28 + 63/90 = 91/90
2. So, 28/90 + 63/90 = 91/90
   In mixed form: 11/90

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