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Subtract 8/9 from 12/27

12/27 - 8/9 is -4/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 9 is 27

    Next, find the equivalent fraction of both fractional numbers with denominator 27
  2. For the 1st fraction, since 27 × 1 = 27,
    12/27 = 12 × 1/27 × 1 = 12/27
  3. Likewise, for the 2nd fraction, since 9 × 3 = 27,
    8/9 = 8 × 3/9 × 3 = 24/27
  4. Subtract the two like fractions:
    12/27 - 24/27 = 12 - 24/27 = -12/27
  5. After reducing the fraction, the answer is -4/9

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