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Subtract 21/16 from 14/21

1st number: 14/21, 2nd number: 1 5/16

14/21 - 21/16 is -31/48.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 21 × 16 = 336,
    14/21 = 14 × 16/21 × 16 = 224/336
  3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
    21/16 = 21 × 21/16 × 21 = 441/336
  4. Subtract the two like fractions:
    224/336 - 441/336 = 224 - 441/336 = -217/336
  5. After reducing the fraction, the answer is -31/48

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