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Subtract 49/90 from 3/49

3/49 - 49/90 is -2131/4410.

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,
    3/49 = 3 × 90/49 × 90 = 270/4410
  3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
    49/90 = 49 × 49/90 × 49 = 2401/4410
  4. Subtract the two like fractions:
    270/4410 - 2401/4410 = 270 - 2401/4410 = -2131/4410

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