Answers

Add 10/21 and 5/21

10/21 + 5/21 is 5/7.

Steps for adding fractions

1. Add the two fractions:
   10/21 + 5/21 = 10 + 5/21 = 15/21
2. 15/21 simplified gives 5/7
3. So, 10/21 + 5/21 = 5/7

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