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Answers.everydaycalculation.com » Compare fractions

Compare 21/36 and 56/80

21/36 is smaller than 56/80

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 36 × 20 = 720,
    21/36 = 21 × 20/36 × 20 = 420/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    56/80 = 56 × 9/80 × 9 = 504/720
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 420/720 < 504/720 or 21/36 < 56/80

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