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Subtract 15/80 from 9/98

9/98 - 15/80 is -75/784.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 80 is 3920

    Next, find the equivalent fraction of both fractional numbers with denominator 3920
  2. For the 1st fraction, since 98 × 40 = 3920,
    9/98 = 9 × 40/98 × 40 = 360/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    15/80 = 15 × 49/80 × 49 = 735/3920
  4. Subtract the two like fractions:
    360/3920 - 735/3920 = 360 - 735/3920 = -375/3920
  5. After reducing the fraction, the answer is -75/784

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