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Answers.everydaycalculation.com » Compare fractions

Compare 18/84 and 90/18

1st number: 18/84, 2nd number: 5 0/18

18/84 is smaller than 90/18

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 18 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 84 × 3 = 252,
    18/84 = 18 × 3/84 × 3 = 54/252
  3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
    90/18 = 90 × 14/18 × 14 = 1260/252
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 54/252 < 1260/252 or 18/84 < 90/18

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