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Subtract 9/27 from 25/42

25/42 - 9/27 is 11/42.

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,
    9/27 = 9 × 14/27 × 14 = 126/378
  4. Subtract the two fractions:
    225/378 - 126/378 = 225 - 126/378 = 99/378
  5. After reducing the fraction, the answer is 11/42

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