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Subtract 4/10 from 15/98

15/98 - 4/10 is -121/490.

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,
    15/98 = 15 × 5/98 × 5 = 75/490
  3. Likewise, for the 2nd fraction, since 10 × 49 = 490,
    4/10 = 4 × 49/10 × 49 = 196/490
  4. Subtract the two like fractions:
    75/490 - 196/490 = 75 - 196/490 = -121/490

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