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Subtract 21/54 from 1/98

1/98 - 21/54 is -167/441.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 54 is 2646

    Next, find the equivalent fraction of both fractional numbers with denominator 2646
  2. For the 1st fraction, since 98 × 27 = 2646,
    1/98 = 1 × 27/98 × 27 = 27/2646
  3. Likewise, for the 2nd fraction, since 54 × 49 = 2646,
    21/54 = 21 × 49/54 × 49 = 1029/2646
  4. Subtract the two like fractions:
    27/2646 - 1029/2646 = 27 - 1029/2646 = -1002/2646
  5. After reducing the fraction, the answer is -167/441

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