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Subtract 16/27 from 21/48

21/48 - 16/27 is -67/432.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 27 is 432

    Next, find the equivalent fraction of both fractional numbers with denominator 432
  2. For the 1st fraction, since 48 × 9 = 432,
    21/48 = 21 × 9/48 × 9 = 189/432
  3. Likewise, for the 2nd fraction, since 27 × 16 = 432,
    16/27 = 16 × 16/27 × 16 = 256/432
  4. Subtract the two like fractions:
    189/432 - 256/432 = 189 - 256/432 = -67/432

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