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Subtract 18/40 from 20/96

20/96 - 18/40 is -29/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 96 and 40 is 480

    Next, find the equivalent fraction of both fractional numbers with denominator 480
  2. For the 1st fraction, since 96 × 5 = 480,
    20/96 = 20 × 5/96 × 5 = 100/480
  3. Likewise, for the 2nd fraction, since 40 × 12 = 480,
    18/40 = 18 × 12/40 × 12 = 216/480
  4. Subtract the two like fractions:
    100/480 - 216/480 = 100 - 216/480 = -116/480
  5. After reducing the fraction, the answer is -29/120

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