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Subtract 1/54 from 5/7

5/7 - 1/54 is 263/378.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 54 is 378
  2. For the 1st fraction, since 7 × 54 = 378,
    5/7 = 5 × 54/7 × 54 = 270/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    1/54 = 1 × 7/54 × 7 = 7/378
  4. Subtract the two fractions:
    270/378 - 7/378 = 270 - 7/378 = 263/378

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