Answers

Subtract 40/21 from 12/21

1^st number: 12/21, 2^nd number: 1 19/21

12/21 - 40/21 is -4/3.

Steps for subtracting fractions

1. Subtract the two fractions:
   12/21 - 40/21 = 12 - 40/21 = -28/21
2. After reducing the fraction, the answer is -4/3

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