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Answers.everydaycalculation.com » Compare fractions

Compare 5/20 and 21/27

5/20 is smaller than 21/27

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 27 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 20 × 27 = 540,
    5/20 = 5 × 27/20 × 27 = 135/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    21/27 = 21 × 20/27 × 20 = 420/540
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 135/540 < 420/540 or 5/20 < 21/27

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