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Subtract 9/7 from 1/54

1st number: 1/54, 2nd number: 1 2/7

1/54 - 9/7 is -479/378.

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,
    1/54 = 1 × 7/54 × 7 = 7/378
  3. Likewise, for the 2nd fraction, since 7 × 54 = 378,
    9/7 = 9 × 54/7 × 54 = 486/378
  4. Subtract the two like fractions:
    7/378 - 486/378 = 7 - 486/378 = -479/378

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