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Subtract 56/63 from 42/98

42/98 - 56/63 is -29/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 63 is 882

    Next, find the equivalent fraction of both fractional numbers with denominator 882
  2. For the 1st fraction, since 98 × 9 = 882,
    42/98 = 42 × 9/98 × 9 = 378/882
  3. Likewise, for the 2nd fraction, since 63 × 14 = 882,
    56/63 = 56 × 14/63 × 14 = 784/882
  4. Subtract the two like fractions:
    378/882 - 784/882 = 378 - 784/882 = -406/882
  5. After reducing the fraction, the answer is -29/63

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