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Subtract 9/20 from 10/98

10/98 - 9/20 is -341/980.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 20 is 980

    Next, find the equivalent fraction of both fractional numbers with denominator 980
  2. For the 1st fraction, since 98 × 10 = 980,
    10/98 = 10 × 10/98 × 10 = 100/980
  3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
    9/20 = 9 × 49/20 × 49 = 441/980
  4. Subtract the two like fractions:
    100/980 - 441/980 = 100 - 441/980 = -341/980

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