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Subtract 3/54 from 1/70

1/70 - 3/54 is -13/315.

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,
    1/70 = 1 × 27/70 × 27 = 27/1890
  3. Likewise, for the 2nd fraction, since 54 × 35 = 1890,
    3/54 = 3 × 35/54 × 35 = 105/1890
  4. Subtract the two like fractions:
    27/1890 - 105/1890 = 27 - 105/1890 = -78/1890
  5. After reducing the fraction, the answer is -13/315

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