Answers

Add 20/21 and 54/21

1^st number: 20/21, 2^nd number: 2 12/21

20/21 + 54/21 is 74/21.

Steps for adding fractions

1. Add the two fractions:
   20/21 + 54/21 = 20 + 54/21 = 74/21
2. So, 20/21 + 54/21 = 74/21
   In mixed form: 311/21

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