Answers

Add 12/84 and 20/84

12/84 + 20/84 is 8/21.

Steps for adding fractions

1. Add the two fractions:
   12/84 + 20/84 = 12 + 20/84 = 32/84
2. 32/84 simplified gives 8/21
3. So, 12/84 + 20/84 = 8/21

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