Answers

Add 7/90 and 63/90

7/90 + 63/90 is 7/9.

Steps for adding fractions

1. Add the two fractions:
   7/90 + 63/90 = 7 + 63/90 = 70/90
2. 70/90 simplified gives 7/9
3. So, 7/90 + 63/90 = 7/9

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