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Subtract 1/90 from 8/49

8/49 - 1/90 is 671/4410.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 90 is 4410

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 49 × 90 = 4410,
    8/49 = 8 × 90/49 × 90 = 720/4410
  3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
    1/90 = 1 × 49/90 × 49 = 49/4410
  4. Subtract the two like fractions:
    720/4410 - 49/4410 = 720 - 49/4410 = 671/4410

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