Answers

Subtract 24/21 from 12/21

1^st number: 12/21, 2^nd number: 1 3/21

12/21 - 24/21 is -4/7.

Steps for subtracting fractions

1. Subtract the two fractions:
   12/21 - 24/21 = 12 - 24/21 = -12/21
2. After reducing the fraction, the answer is -4/7

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