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Subtract 10/90 from 1/98

1/98 - 10/90 is -89/882.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 90 is 4410

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 98 × 45 = 4410,
    1/98 = 1 × 45/98 × 45 = 45/4410
  3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
    10/90 = 10 × 49/90 × 49 = 490/4410
  4. Subtract the two like fractions:
    45/4410 - 490/4410 = 45 - 490/4410 = -445/4410
  5. After reducing the fraction, the answer is -89/882

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