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Subtract 18/96 from 3/20

3/20 - 18/96 is -3/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 96 is 480

    Next, find the equivalent fraction of both fractional numbers with denominator 480
  2. For the 1st fraction, since 20 × 24 = 480,
    3/20 = 3 × 24/20 × 24 = 72/480
  3. Likewise, for the 2nd fraction, since 96 × 5 = 480,
    18/96 = 18 × 5/96 × 5 = 90/480
  4. Subtract the two like fractions:
    72/480 - 90/480 = 72 - 90/480 = -18/480
  5. After reducing the fraction, the answer is -3/80

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