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Subtract 1/21 from 7/98

7/98 - 1/21 is 1/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 21 is 294

    Next, find the equivalent fraction of both fractional numbers with denominator 294
  2. For the 1st fraction, since 98 × 3 = 294,
    7/98 = 7 × 3/98 × 3 = 21/294
  3. Likewise, for the 2nd fraction, since 21 × 14 = 294,
    1/21 = 1 × 14/21 × 14 = 14/294
  4. Subtract the two like fractions:
    21/294 - 14/294 = 21 - 14/294 = 7/294
  5. After reducing the fraction, the answer is 1/42

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