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Subtract 7/18 from 3/49

3/49 - 7/18 is -289/882.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 18 is 882

    Next, find the equivalent fraction of both fractional numbers with denominator 882
  2. For the 1st fraction, since 49 × 18 = 882,
    3/49 = 3 × 18/49 × 18 = 54/882
  3. Likewise, for the 2nd fraction, since 18 × 49 = 882,
    7/18 = 7 × 49/18 × 49 = 343/882
  4. Subtract the two like fractions:
    54/882 - 343/882 = 54 - 343/882 = -289/882

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