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Subtract 7/63 from 7/54

7/54 - 7/63 is 1/54.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 63 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    7/54 = 7 × 7/54 × 7 = 49/378
  3. Likewise, for the 2nd fraction, since 63 × 6 = 378,
    7/63 = 7 × 6/63 × 6 = 42/378
  4. Subtract the two like fractions:
    49/378 - 42/378 = 49 - 42/378 = 7/378
  5. After reducing the fraction, the answer is 1/54

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