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Subtract 5/90 from 30/98

30/98 - 5/90 is 221/882.

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,
    30/98 = 30 × 45/98 × 45 = 1350/4410
  3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
    5/90 = 5 × 49/90 × 49 = 245/4410
  4. Subtract the two like fractions:
    1350/4410 - 245/4410 = 1350 - 245/4410 = 1105/4410
  5. After reducing the fraction, the answer is 221/882

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