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Subtract 4/70 from 8/54

8/54 - 4/70 is 86/945.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1890
  2. For the 1st fraction, since 54 × 35 = 1890,
    8/54 = 8 × 35/54 × 35 = 280/1890
  3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
    4/70 = 4 × 27/70 × 27 = 108/1890
  4. Subtract the two like fractions:
    280/1890 - 108/1890 = 280 - 108/1890 = 172/1890
  5. After reducing the fraction, the answer is 86/945

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