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Subtract 50/27 from 28/81

1st number: 28/81, 2nd number: 1 23/27

28/81 - 50/27 is -122/81.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 27 is 81

    Next, find the equivalent fraction of both fractional numbers with denominator 81
  2. For the 1st fraction, since 81 × 1 = 81,
    28/81 = 28 × 1/81 × 1 = 28/81
  3. Likewise, for the 2nd fraction, since 27 × 3 = 81,
    50/27 = 50 × 3/27 × 3 = 150/81
  4. Subtract the two like fractions:
    28/81 - 150/81 = 28 - 150/81 = -122/81

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