Answers

Subtract 27/21 from 28/21

1^st number: 1 7/21, 2^nd number: 1 6/21

28/21 - 27/21 is 1/21.

Steps for subtracting fractions

1. Subtract the two fractions:
   28/21 - 27/21 = 28 - 27/21 = 1/21

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