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Subtract 45/27 from 1/18

1st number: 1/18, 2nd number: 1 18/27

1/18 - 45/27 is -29/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 27 is 54

    Next, find the equivalent fraction of both fractional numbers with denominator 54
  2. For the 1st fraction, since 18 × 3 = 54,
    1/18 = 1 × 3/18 × 3 = 3/54
  3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
    45/27 = 45 × 2/27 × 2 = 90/54
  4. Subtract the two like fractions:
    3/54 - 90/54 = 3 - 90/54 = -87/54
  5. After reducing the fraction, the answer is -29/18

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