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Subtract 12/70 from 8/98

8/98 - 12/70 is -22/245.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 70 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 98 × 5 = 490,
    8/98 = 8 × 5/98 × 5 = 40/490
  3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
    12/70 = 12 × 7/70 × 7 = 84/490
  4. Subtract the two like fractions:
    40/490 - 84/490 = 40 - 84/490 = -44/490
  5. After reducing the fraction, the answer is -22/245

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