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Subtract 18/24 from 3/80

3/80 - 18/24 is -57/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 24 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 80 × 3 = 240,
    3/80 = 3 × 3/80 × 3 = 9/240
  3. Likewise, for the 2nd fraction, since 24 × 10 = 240,
    18/24 = 18 × 10/24 × 10 = 180/240
  4. Subtract the two like fractions:
    9/240 - 180/240 = 9 - 180/240 = -171/240
  5. After reducing the fraction, the answer is -57/80

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