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Subtract 5/12 from 8/9

8/9 - 5/12 is 17/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 12 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 9 × 4 = 36,
    8/9 = 8 × 4/9 × 4 = 32/36
  3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
    5/12 = 5 × 3/12 × 3 = 15/36
  4. Subtract the two like fractions:
    32/36 - 15/36 = 32 - 15/36 = 17/36

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