Answers

Add 5/21 and 28/21

1^st number: 5/21, 2^nd number: 1 7/21

5/21 + 28/21 is 11/7.

Steps for adding fractions

1. Add the two fractions:
   5/21 + 28/21 = 5 + 28/21 = 33/21
2. 33/21 simplified gives 11/7
3. So, 5/21 + 28/21 = 11/7
   In mixed form: 14/7

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