Answers

Add 20/90 and 40/90

20/90 + 40/90 is 2/3.

Steps for adding fractions

1. Add the two fractions:
   20/90 + 40/90 = 20 + 40/90 = 60/90
2. 60/90 simplified gives 2/3
3. So, 20/90 + 40/90 = 2/3

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