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Subtract 81/98 from 12/9

1st number: 1 3/9, 2nd number: 81/98

12/9 - 81/98 is 149/294.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 98 is 882

    Next, find the equivalent fraction of both fractional numbers with denominator 882
  2. For the 1st fraction, since 9 × 98 = 882,
    12/9 = 12 × 98/9 × 98 = 1176/882
  3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
    81/98 = 81 × 9/98 × 9 = 729/882
  4. Subtract the two like fractions:
    1176/882 - 729/882 = 1176 - 729/882 = 447/882
  5. After reducing the fraction, the answer is 149/294

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