Answers

Subtract 81/20 from 42/20

1^st number: 2 2/20, 2^nd number: 4 1/20

42/20 - 81/20 is -39/20.

Steps for subtracting fractions

1. Subtract the two fractions:
   42/20 - 81/20 = 42 - 81/20 = -39/20

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