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Subtract 40/54 from 18/75

18/75 - 40/54 is -338/675.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 54 is 1350

    Next, find the equivalent fraction of both fractional numbers with denominator 1350
  2. For the 1st fraction, since 75 × 18 = 1350,
    18/75 = 18 × 18/75 × 18 = 324/1350
  3. Likewise, for the 2nd fraction, since 54 × 25 = 1350,
    40/54 = 40 × 25/54 × 25 = 1000/1350
  4. Subtract the two like fractions:
    324/1350 - 1000/1350 = 324 - 1000/1350 = -676/1350
  5. After reducing the fraction, the answer is -338/675

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