Answers

Subtract 12/21 from 42/21

1^st number: 2 0/21, 2^nd number: 12/21

42/21 - 12/21 is 10/7.

Steps for subtracting fractions

1. Subtract the two fractions:
   42/21 - 12/21 = 42 - 12/21 = 30/21
2. After reducing the fraction, the answer is 10/7
3. In mixed form: 13/7

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