Answers

Subtract 90/30 from 28/30

1^st number: 28/30, 2^nd number: 3 0/30

28/30 - 90/30 is -31/15.

Steps for subtracting fractions

1. Subtract the two fractions:
   28/30 - 90/30 = 28 - 90/30 = -62/30
2. After reducing the fraction, the answer is -31/15

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