Answers

Subtract 42/27 from 28/56

1^st number: 28/56, 2^nd number: 1 15/27

28/56 - 42/27 is -19/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 27 is 1512
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1512
2. For the 1st fraction, since 56 × 27 = 1512,
   28/56 = 28 × 27/56 × 27 = 756/1512
3. Likewise, for the 2nd fraction, since 27 × 56 = 1512,
   42/27 = 42 × 56/27 × 56 = 2352/1512
4. Subtract the two like fractions:
   756/1512 - 2352/1512 = 756 - 2352/1512 = -1596/1512
5. After reducing the fraction, the answer is -19/18

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