Answers

Add 3/20 and 15/20

3/20 + 15/20 is 9/10.

Steps for adding fractions

1. Add the two fractions:
   3/20 + 15/20 = 3 + 15/20 = 18/20
2. 18/20 simplified gives 9/10
3. So, 3/20 + 15/20 = 9/10

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