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Subtract 10/18 from 9/12

9/12 - 10/18 is 7/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 18 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    9/12 = 9 × 3/12 × 3 = 27/36
  3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
    10/18 = 10 × 2/18 × 2 = 20/36
  4. Subtract the two like fractions:
    27/36 - 20/36 = 27 - 20/36 = 7/36

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