Answers

Subtract 21/28 from 90/28

1^st number: 3 6/28, 2^nd number: 21/28

90/28 - 21/28 is 69/28.

Steps for subtracting fractions

1. Subtract the two fractions:
   90/28 - 21/28 = 90 - 21/28 = 69/28
2. In mixed form: 213/28

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