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Subtract 24/27 from 9/15

9/15 - 24/27 is -13/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 27 is 135
  2. For the 1st fraction, since 15 × 9 = 135,
    9/15 = 9 × 9/15 × 9 = 81/135
  3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
    24/27 = 24 × 5/27 × 5 = 120/135
  4. Subtract the two fractions:
    81/135 - 120/135 = 81 - 120/135 = -39/135
  5. After reducing the fraction, the answer is -13/45

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