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Subtract 63/40 from 4/54

1st number: 4/54, 2nd number: 1 23/40

4/54 - 63/40 is -1621/1080.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 40 is 1080

    Next, find the equivalent fraction of both fractional numbers with denominator 1080
  2. For the 1st fraction, since 54 × 20 = 1080,
    4/54 = 4 × 20/54 × 20 = 80/1080
  3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
    63/40 = 63 × 27/40 × 27 = 1701/1080
  4. Subtract the two like fractions:
    80/1080 - 1701/1080 = 80 - 1701/1080 = -1621/1080

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