Answers

Add 18/21 and 63/21

1^st number: 18/21, 2^nd number: 3 0/21

18/21 + 63/21 is 27/7.

Steps for adding fractions

1. Add the two fractions:
   18/21 + 63/21 = 18 + 63/21 = 81/21
2. 81/21 simplified gives 27/7
3. So, 18/21 + 63/21 = 27/7
   In mixed form: 36/7

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