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Answers.everydaycalculation.com » Compare fractions

Compare 28/27 and 15/42

1st number: 1 1/27, 2nd number: 15/42

28/27 is greater than 15/42

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 42 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 27 × 14 = 378,
    28/27 = 28 × 14/27 × 14 = 392/378
  3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
    15/42 = 15 × 9/42 × 9 = 135/378
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 392/378 > 135/378 or 28/27 > 15/42

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