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Answers.everydaycalculation.com » Compare fractions

Compare 12/9 and 5/15

1st number: 1 3/9, 2nd number: 5/15

12/9 is greater than 5/15

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 15 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 9 × 5 = 45,
    12/9 = 12 × 5/9 × 5 = 60/45
  3. Likewise, for the 2nd fraction, since 15 × 3 = 45,
    5/15 = 5 × 3/15 × 3 = 15/45
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 60/45 > 15/45 or 12/9 > 5/15

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