Answers

Add 20/21 and 81/21

1^st number: 20/21, 2^nd number: 3 18/21

20/21 + 81/21 is 101/21.

Steps for adding fractions

1. Add the two fractions:
   20/21 + 81/21 = 20 + 81/21 = 101/21
2. So, 20/21 + 81/21 = 101/21
   In mixed form: 417/21

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