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Subtract 16/21 from 5/16

5/16 - 16/21 is -151/336.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 21 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 16 × 21 = 336,
    5/16 = 5 × 21/16 × 21 = 105/336
  3. Likewise, for the 2nd fraction, since 21 × 16 = 336,
    16/21 = 16 × 16/21 × 16 = 256/336
  4. Subtract the two like fractions:
    105/336 - 256/336 = 105 - 256/336 = -151/336

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