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Subtract 1/54 from 15/7

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

15/7 - 1/54 is 803/378.

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,
    15/7 = 15 × 54/7 × 54 = 810/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    1/54 = 1 × 7/54 × 7 = 7/378
  4. Subtract the two like fractions:
    810/378 - 7/378 = 810 - 7/378 = 803/378
  5. In mixed form: 247/378

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