Answers

Add 15/45 and 20/45

15/45 + 20/45 is 7/9.

Steps for adding fractions

1. Add the two fractions:
   15/45 + 20/45 = 15 + 20/45 = 35/45
2. 35/45 simplified gives 7/9
3. So, 15/45 + 20/45 = 7/9

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