Answers

Subtract 81/28 from 27/12

1^st number: 2 3/12, 2^nd number: 2 25/28

27/12 - 81/28 is -9/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 28 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   27/12 = 27 × 7/12 × 7 = 189/84
3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
   81/28 = 81 × 3/28 × 3 = 243/84
4. Subtract the two like fractions:
   189/84 - 243/84 = 189 - 243/84 = -54/84
5. After reducing the fraction, the answer is -9/14

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