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Subtract 6/9 from 24/42

24/42 - 6/9 is -2/21.

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,
    24/42 = 24 × 3/42 × 3 = 72/126
  3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
    6/9 = 6 × 14/9 × 14 = 84/126
  4. Subtract the two fractions:
    72/126 - 84/126 = 72 - 84/126 = -12/126
  5. After reducing the fraction, the answer is -2/21

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