Answers

Subtract 90/21 from 27/21

1^st number: 1 6/21, 2^nd number: 4 6/21

27/21 - 90/21 is -3/1.

Steps for subtracting fractions

1. Subtract the two fractions:
   27/21 - 90/21 = 27 - 90/21 = -63/21
2. After reducing the fraction, the answer is -3/1

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