Answers

Subtract 54/21 from 28/21

1^st number: 1 7/21, 2^nd number: 2 12/21

28/21 - 54/21 is -26/21.

Steps for subtracting fractions

1. Subtract the two fractions:
   28/21 - 54/21 = 28 - 54/21 = -26/21

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