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Subtract 1/98 from 7/90

7/90 - 1/98 is 149/2205.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 90 × 49 = 4410,
    7/90 = 7 × 49/90 × 49 = 343/4410
  3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
    1/98 = 1 × 45/98 × 45 = 45/4410
  4. Subtract the two like fractions:
    343/4410 - 45/4410 = 343 - 45/4410 = 298/4410
  5. After reducing the fraction, the answer is 149/2205

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