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Answers.everydaycalculation.com » Compare fractions

Compare 15/18 and 40/84

15/18 is greater than 40/84

Steps for comparing fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 18 × 14 = 252,
    15/18 = 15 × 14/18 × 14 = 210/252
  3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
    40/84 = 40 × 3/84 × 3 = 120/252
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 210/252 > 120/252 or 15/18 > 40/84

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