Answers

Subtract 81/10 from 72/10

1^st number: 7 2/10, 2^nd number: 8 1/10

72/10 - 81/10 is -9/10.

Steps for subtracting fractions

1. Subtract the two fractions:
   72/10 - 81/10 = 72 - 81/10 = -9/10

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