Answers

Add 8/90 and 4/90

8/90 + 4/90 is 2/15.

Steps for adding fractions

1. Add the two fractions:
   8/90 + 4/90 = 8 + 4/90 = 12/90
2. 12/90 simplified gives 2/15
3. So, 8/90 + 4/90 = 2/15

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