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Subtract 3/10 from 12/98

12/98 - 3/10 is -87/490.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 10 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 98 × 5 = 490,
    12/98 = 12 × 5/98 × 5 = 60/490
  3. Likewise, for the 2nd fraction, since 10 × 49 = 490,
    3/10 = 3 × 49/10 × 49 = 147/490
  4. Subtract the two like fractions:
    60/490 - 147/490 = 60 - 147/490 = -87/490

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