Answers

Add 28/21 and 63/21

1^st number: 1 7/21, 2^nd number: 3 0/21

28/21 + 63/21 is 13/3.

Steps for adding fractions

1. Add the two fractions:
   28/21 + 63/21 = 28 + 63/21 = 91/21
2. 91/21 simplified gives 13/3
3. So, 28/21 + 63/21 = 13/3
   In mixed form: 41/3

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