Answers

Subtract 90/21 from 12/21

1^st number: 12/21, 2^nd number: 4 6/21

12/21 - 90/21 is -26/7.

Steps for subtracting fractions

1. Subtract the two fractions:
   12/21 - 90/21 = 12 - 90/21 = -78/21
2. After reducing the fraction, the answer is -26/7

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