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Subtract 1/18 from 3/56

3/56 - 1/18 is -1/504.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 18 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    3/56 = 3 × 9/56 × 9 = 27/504
  3. Likewise, for the 2nd fraction, since 18 × 28 = 504,
    1/18 = 1 × 28/18 × 28 = 28/504
  4. Subtract the two like fractions:
    27/504 - 28/504 = 27 - 28/504 = -1/504

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