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Subtract 56/18 from 1/20

1st number: 1/20, 2nd number: 3 2/18

1/20 - 56/18 is -551/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 18 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    1/20 = 1 × 9/20 × 9 = 9/180
  3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
    56/18 = 56 × 10/18 × 10 = 560/180
  4. Subtract the two like fractions:
    9/180 - 560/180 = 9 - 560/180 = -551/180

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