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Subtract 9/28 from 12/98

12/98 - 9/28 is -39/196.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 28 is 196

    Next, find the equivalent fraction of both fractional numbers with denominator 196
  2. For the 1st fraction, since 98 × 2 = 196,
    12/98 = 12 × 2/98 × 2 = 24/196
  3. Likewise, for the 2nd fraction, since 28 × 7 = 196,
    9/28 = 9 × 7/28 × 7 = 63/196
  4. Subtract the two like fractions:
    24/196 - 63/196 = 24 - 63/196 = -39/196

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