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Subtract 8/30 from 21/96

21/96 - 8/30 is -23/480.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 96 and 30 is 480

    Next, find the equivalent fraction of both fractional numbers with denominator 480
  2. For the 1st fraction, since 96 × 5 = 480,
    21/96 = 21 × 5/96 × 5 = 105/480
  3. Likewise, for the 2nd fraction, since 30 × 16 = 480,
    8/30 = 8 × 16/30 × 16 = 128/480
  4. Subtract the two like fractions:
    105/480 - 128/480 = 105 - 128/480 = -23/480

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