Answers

Add 12/21 and 45/21

1^st number: 12/21, 2^nd number: 2 3/21

12/21 + 45/21 is 19/7.

Steps for adding fractions

1. Add the two fractions:
   12/21 + 45/21 = 12 + 45/21 = 57/21
2. 57/21 simplified gives 19/7
3. So, 12/21 + 45/21 = 19/7
   In mixed form: 25/7

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