Answers

Subtract 81/72 from 10/12

1^st number: 10/12, 2^nd number: 1 9/72

10/12 - 81/72 is -7/24.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 12 × 6 = 72,
   10/12 = 10 × 6/12 × 6 = 60/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   81/72 = 81 × 1/72 × 1 = 81/72
4. Subtract the two like fractions:
   60/72 - 81/72 = 60 - 81/72 = -21/72
5. After reducing the fraction, the answer is -7/24

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