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Subtract 3/98 from 7/20

7/20 - 3/98 is 313/980.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 98 is 980

    Next, find the equivalent fraction of both fractional numbers with denominator 980
  2. For the 1st fraction, since 20 × 49 = 980,
    7/20 = 7 × 49/20 × 49 = 343/980
  3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
    3/98 = 3 × 10/98 × 10 = 30/980
  4. Subtract the two like fractions:
    343/980 - 30/980 = 343 - 30/980 = 313/980

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