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Subtract 8/54 from 4/40

4/40 - 8/54 is -13/270.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 54 is 1080
  2. For the 1st fraction, since 40 × 27 = 1080,
    4/40 = 4 × 27/40 × 27 = 108/1080
  3. Likewise, for the 2nd fraction, since 54 × 20 = 1080,
    8/54 = 8 × 20/54 × 20 = 160/1080
  4. Subtract the two fractions:
    108/1080 - 160/1080 = 108 - 160/1080 = -52/1080
  5. After reducing the fraction, the answer is -13/270

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