Answers

Subtract 42/15 from 21/15

1^st number: 1 6/15, 2^nd number: 2 12/15

21/15 - 42/15 is -7/5.

Steps for subtracting fractions

1. Subtract the two fractions:
   21/15 - 42/15 = 21 - 42/15 = -21/15
2. After reducing the fraction, the answer is -7/5

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