Answers

Subtract 90/81 from 28/81

1^st number: 28/81, 2^nd number: 1 9/81

28/81 - 90/81 is -62/81.

Steps for subtracting fractions

1. Subtract the two fractions:
   28/81 - 90/81 = 28 - 90/81 = -62/81

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