Answers

Add 7/90 and 9/90

7/90 + 9/90 is 8/45.

Steps for adding fractions

1. Add the two fractions:
   7/90 + 9/90 = 7 + 9/90 = 16/90
2. 16/90 simplified gives 8/45
3. So, 7/90 + 9/90 = 8/45

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