Answers

Add 18/21 and 18/21

18/21 + 18/21 is 12/7.

Steps for adding fractions

1. Add the two fractions:
   18/21 + 18/21 = 18 + 18/21 = 36/21
2. 36/21 simplified gives 12/7
3. So, 18/21 + 18/21 = 12/7
   In mixed form: 15/7

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