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Subtract 10/9 from 12/18

1st number: 12/18, 2nd number: 1 1/9

12/18 - 10/9 is -4/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 9 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 18 × 1 = 18,
    12/18 = 12 × 1/18 × 1 = 12/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    10/9 = 10 × 2/9 × 2 = 20/18
  4. Subtract the two like fractions:
    12/18 - 20/18 = 12 - 20/18 = -8/18
  5. After reducing the fraction, the answer is -4/9

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