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Subtract 3/9 from 25/42

25/42 - 3/9 is 11/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 9 is 126
  2. For the 1st fraction, since 42 × 3 = 126,
    25/42 = 25 × 3/42 × 3 = 75/126
  3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
    3/9 = 3 × 14/9 × 14 = 42/126
  4. Subtract the two fractions:
    75/126 - 42/126 = 75 - 42/126 = 33/126
  5. After reducing the fraction, the answer is 11/42

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