Answers

Subtract 27/7 from 81/56

1^st number: 1 25/56, 2^nd number: 3 6/7

81/56 - 27/7 is -135/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 7 is 56
   
   Next, find the equivalent fraction of both fractional numbers with denominator 56
2. For the 1st fraction, since 56 × 1 = 56,
   81/56 = 81 × 1/56 × 1 = 81/56
3. Likewise, for the 2nd fraction, since 7 × 8 = 56,
   27/7 = 27 × 8/7 × 8 = 216/56
4. Subtract the two like fractions:
   81/56 - 216/56 = 81 - 216/56 = -135/56

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