Answers

Add 15/20 and 6/20

15/20 + 6/20 is 21/20.

Steps for adding fractions

1. Add the two fractions:
   15/20 + 6/20 = 15 + 6/20 = 21/20
2. So, 15/20 + 6/20 = 21/20
   In mixed form: 11/20

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