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Subtract 49/96 from 20/40

20/40 - 49/96 is -1/96.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 480
  2. For the 1st fraction, since 40 × 12 = 480,
    20/40 = 20 × 12/40 × 12 = 240/480
  3. Likewise, for the 2nd fraction, since 96 × 5 = 480,
    49/96 = 49 × 5/96 × 5 = 245/480
  4. Subtract the two like fractions:
    240/480 - 245/480 = 240 - 245/480 = -5/480
  5. After reducing the fraction, the answer is -1/96

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