Answers

Add 21/70 and 45/70

21/70 + 45/70 is 33/35.

Steps for adding fractions

1. Add the two fractions:
   21/70 + 45/70 = 21 + 45/70 = 66/70
2. 66/70 simplified gives 33/35
3. So, 21/70 + 45/70 = 33/35

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