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Subtract 8/9 from 12/54

12/54 - 8/9 is -2/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 9 is 54

    Next, find the equivalent fraction of both fractional numbers with denominator 54
  2. For the 1st fraction, since 54 × 1 = 54,
    12/54 = 12 × 1/54 × 1 = 12/54
  3. Likewise, for the 2nd fraction, since 9 × 6 = 54,
    8/9 = 8 × 6/9 × 6 = 48/54
  4. Subtract the two like fractions:
    12/54 - 48/54 = 12 - 48/54 = -36/54
  5. After reducing the fraction, the answer is -2/3

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