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Subtract 12/98 from 21/18

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

21/18 - 12/98 is 307/294.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 882
  2. For the 1st fraction, since 18 × 49 = 882,
    21/18 = 21 × 49/18 × 49 = 1029/882
  3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
    12/98 = 12 × 9/98 × 9 = 108/882
  4. Subtract the two like fractions:
    1029/882 - 108/882 = 1029 - 108/882 = 921/882
  5. After reducing the fraction, the answer is 307/294
  6. In mixed form: 113/294

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