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Answers.everydaycalculation.com » Compare fractions

Compare 18/98 and 30/80

18/98 is smaller than 30/80

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 80 is 3920
  2. For the 1st fraction, since 98 × 40 = 3920,
    18/98 = 18 × 40/98 × 40 = 720/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    30/80 = 30 × 49/80 × 49 = 1470/3920
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 720/3920 < 1470/3920 or 18/98 < 30/80

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