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Subtract 3/54 from 4/7

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

Steps for subtracting fractions

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

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

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