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Subtract 1/27 from 25/42

25/42 - 1/27 is 211/378.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 27 is 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 27 × 14 = 378,
    1/27 = 1 × 14/27 × 14 = 14/378
  4. Subtract the two fractions:
    225/378 - 14/378 = 225 - 14/378 = 211/378

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