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Subtract 14/54 from 25/42

25/42 - 14/54 is 127/378.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 54 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 42 × 9 = 378,
    25/42 = 25 × 9/42 × 9 = 225/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    14/54 = 14 × 7/54 × 7 = 98/378
  4. Subtract the two like fractions:
    225/378 - 98/378 = 225 - 98/378 = 127/378

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