Answers

Subtract 2/21 from 81/21

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

81/21 - 2/21 is 79/21.

Steps for subtracting fractions

1. Subtract the two fractions:
   81/21 - 2/21 = 81 - 2/21 = 79/21
2. In mixed form: 316/21

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