Answers

Subtract 15/4 from 81/4

1^st number: 20 1/4, 2^nd number: 3 3/4

81/4 - 15/4 is 33/2.

Steps for subtracting fractions

1. Subtract the two fractions:
   81/4 - 15/4 = 81 - 15/4 = 66/4
2. After reducing the fraction, the answer is 33/2
3. In mixed form: 161/2

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