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Subtract 63/18 from 12/98

1st number: 12/98, 2nd number: 3 9/18

12/98 - 63/18 is -331/98.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 18 is 882

    Next, find the equivalent fraction of both fractional numbers with denominator 882
  2. For the 1st fraction, since 98 × 9 = 882,
    12/98 = 12 × 9/98 × 9 = 108/882
  3. Likewise, for the 2nd fraction, since 18 × 49 = 882,
    63/18 = 63 × 49/18 × 49 = 3087/882
  4. Subtract the two like fractions:
    108/882 - 3087/882 = 108 - 3087/882 = -2979/882
  5. After reducing the fraction, the answer is -331/98

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