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Subtract 7/27 from 18/40

18/40 - 7/27 is 103/540.

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,
    18/40 = 18 × 27/40 × 27 = 486/1080
  3. Likewise, for the 2nd fraction, since 27 × 40 = 1080,
    7/27 = 7 × 40/27 × 40 = 280/1080
  4. Subtract the two like fractions:
    486/1080 - 280/1080 = 486 - 280/1080 = 206/1080
  5. After reducing the fraction, the answer is 103/540

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