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Answers.everydaycalculation.com » Compare fractions

Compare 42/98 and 90/80

1st number: 42/98, 2nd number: 1 10/80

42/98 is smaller than 90/80

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 80 is 3920

    Next, find the equivalent fraction of both fractional numbers with denominator 3920
  2. For the 1st fraction, since 98 × 40 = 3920,
    42/98 = 42 × 40/98 × 40 = 1680/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    90/80 = 90 × 49/80 × 49 = 4410/3920
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1680/3920 < 4410/3920 or 42/98 < 90/80

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