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Subtract 42/25 from 12/98

1st number: 12/98, 2nd number: 1 17/25

12/98 - 42/25 is -1908/1225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 25 is 2450

    Next, find the equivalent fraction of both fractional numbers with denominator 2450
  2. For the 1st fraction, since 98 × 25 = 2450,
    12/98 = 12 × 25/98 × 25 = 300/2450
  3. Likewise, for the 2nd fraction, since 25 × 98 = 2450,
    42/25 = 42 × 98/25 × 98 = 4116/2450
  4. Subtract the two like fractions:
    300/2450 - 4116/2450 = 300 - 4116/2450 = -3816/2450
  5. After reducing the fraction, the answer is -1908/1225

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