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Subtract 20/54 from 27/70

27/70 - 20/54 is 29/1890.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 54 is 1890

    Next, find the equivalent fraction of both fractional numbers with denominator 1890
  2. For the 1st fraction, since 70 × 27 = 1890,
    27/70 = 27 × 27/70 × 27 = 729/1890
  3. Likewise, for the 2nd fraction, since 54 × 35 = 1890,
    20/54 = 20 × 35/54 × 35 = 700/1890
  4. Subtract the two like fractions:
    729/1890 - 700/1890 = 729 - 700/1890 = 29/1890

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