Answers

Subtract 18/42 from 81/42

1^st number: 1 39/42, 2^nd number: 18/42

81/42 - 18/42 is 3/2.

Steps for subtracting fractions

1. Subtract the two fractions:
   81/42 - 18/42 = 81 - 18/42 = 63/42
2. After reducing the fraction, the answer is 3/2
3. In mixed form: 11/2

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