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Subtract 4/7 from 3/54

3/54 - 4/7 is -65/126.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 7 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    3/54 = 3 × 7/54 × 7 = 21/378
  3. Likewise, for the 2nd fraction, since 7 × 54 = 378,
    4/7 = 4 × 54/7 × 54 = 216/378
  4. Subtract the two like fractions:
    21/378 - 216/378 = 21 - 216/378 = -195/378
  5. After reducing the fraction, the answer is -65/126

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