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Subtract 7/20 from 28/27

1st number: 1 1/27, 2nd number: 7/20

28/27 - 7/20 is 371/540.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 20 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 27 × 20 = 540,
    28/27 = 28 × 20/27 × 20 = 560/540
  3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
    7/20 = 7 × 27/20 × 27 = 189/540
  4. Subtract the two like fractions:
    560/540 - 189/540 = 560 - 189/540 = 371/540

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