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Subtract 21/40 from 49/96

49/96 - 21/40 is -7/480.

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,
    49/96 = 49 × 5/96 × 5 = 245/480
  3. Likewise, for the 2nd fraction, since 40 × 12 = 480,
    21/40 = 21 × 12/40 × 12 = 252/480
  4. Subtract the two like fractions:
    245/480 - 252/480 = 245 - 252/480 = -7/480

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