Answers

Subtract 27/56 from 28/20

1^st number: 1 8/20, 2^nd number: 27/56

28/20 - 27/56 is 257/280.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 20 × 14 = 280,
   28/20 = 28 × 14/20 × 14 = 392/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   27/56 = 27 × 5/56 × 5 = 135/280
4. Subtract the two like fractions:
   392/280 - 135/280 = 392 - 135/280 = 257/280

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