Answers

Add 1/90 and 15/90

1/90 + 15/90 is 8/45.

Steps for adding fractions

1. Add the two fractions:
   1/90 + 15/90 = 1 + 15/90 = 16/90
2. 16/90 simplified gives 8/45
3. So, 1/90 + 15/90 = 8/45

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