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Answers.everydaycalculation.com » Compare fractions

Compare 27/45 and 80/72

1st number: 27/45, 2nd number: 1 8/72

27/45 is smaller than 80/72

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 45 × 8 = 360,
    27/45 = 27 × 8/45 × 8 = 216/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    80/72 = 80 × 5/72 × 5 = 400/360
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 216/360 < 400/360 or 27/45 < 80/72

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