Answers

Add 20/70 and 15/70

20/70 + 15/70 is 1/2.

Steps for adding fractions

1. Add the two fractions:
   20/70 + 15/70 = 20 + 15/70 = 35/70
2. 35/70 simplified gives 1/2
3. So, 20/70 + 15/70 = 1/2

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