Answers

Add 72/90 and 45/90

72/90 + 45/90 is 13/10.

Steps for adding fractions

1. Add the two fractions:
   72/90 + 45/90 = 72 + 45/90 = 117/90
2. 117/90 simplified gives 13/10
3. So, 72/90 + 45/90 = 13/10
   In mixed form: 13/10

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