Answers

Add 10/90 and 30/90

10/90 + 30/90 is 4/9.

Steps for adding fractions

1. Add the two fractions:
   10/90 + 30/90 = 10 + 30/90 = 40/90
2. 40/90 simplified gives 4/9
3. So, 10/90 + 30/90 = 4/9

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