Answers

Add 9/90 and 72/90

9/90 + 72/90 is 9/10.

Steps for adding fractions

1. Add the two fractions:
   9/90 + 72/90 = 9 + 72/90 = 81/90
2. 81/90 simplified gives 9/10
3. So, 9/90 + 72/90 = 9/10

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