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Subtract 84/20 from 8/98

1st number: 8/98, 2nd number: 4 4/20

8/98 - 84/20 is -1009/245.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 20 is 980
  2. For the 1st fraction, since 98 × 10 = 980,
    8/98 = 8 × 10/98 × 10 = 80/980
  3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
    84/20 = 84 × 49/20 × 49 = 4116/980
  4. Subtract the two fractions:
    80/980 - 4116/980 = 80 - 4116/980 = -4036/980
  5. After reducing the fraction, the answer is -1009/245

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