Answers

Add 20/90 and 6/90

20/90 + 6/90 is 13/45.

Steps for adding fractions

1. Add the two fractions:
   20/90 + 6/90 = 20 + 6/90 = 26/90
2. 26/90 simplified gives 13/45
3. So, 20/90 + 6/90 = 13/45

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