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Subtract 4/27 from 3/40

3/40 - 4/27 is -79/1080.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 27 is 1080

    Next, find the equivalent fraction of both fractional numbers with denominator 1080
  2. For the 1st fraction, since 40 × 27 = 1080,
    3/40 = 3 × 27/40 × 27 = 81/1080
  3. Likewise, for the 2nd fraction, since 27 × 40 = 1080,
    4/27 = 4 × 40/27 × 40 = 160/1080
  4. Subtract the two like fractions:
    81/1080 - 160/1080 = 81 - 160/1080 = -79/1080

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