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Subtract 21/96 from 1/5

1/5 - 21/96 is -3/160.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 96 is 480

    Next, find the equivalent fraction of both fractional numbers with denominator 480
  2. For the 1st fraction, since 5 × 96 = 480,
    1/5 = 1 × 96/5 × 96 = 96/480
  3. Likewise, for the 2nd fraction, since 96 × 5 = 480,
    21/96 = 21 × 5/96 × 5 = 105/480
  4. Subtract the two like fractions:
    96/480 - 105/480 = 96 - 105/480 = -9/480
  5. After reducing the fraction, the answer is -3/160

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