Answers

Add 20/90 and 7/90

20/90 + 7/90 is 3/10.

Steps for adding fractions

1. Add the two fractions:
   20/90 + 7/90 = 20 + 7/90 = 27/90
2. 27/90 simplified gives 3/10
3. So, 20/90 + 7/90 = 3/10

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