Answers

Add 54/21 and 15/21

1^st number: 2 12/21, 2^nd number: 15/21

54/21 + 15/21 is 23/7.

Steps for adding fractions

1. Add the two fractions:
   54/21 + 15/21 = 54 + 15/21 = 69/21
2. 69/21 simplified gives 23/7
3. So, 54/21 + 15/21 = 23/7
   In mixed form: 32/7

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