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Answers.everydaycalculation.com » Compare fractions

Compare 27/40 and 12/9

1st number: 27/40, 2nd number: 1 3/9

27/40 is smaller than 12/9

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    27/40 = 27 × 9/40 × 9 = 243/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    12/9 = 12 × 40/9 × 40 = 480/360
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 243/360 < 480/360 or 27/40 < 12/9

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