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Answers.everydaycalculation.com » Compare fractions

Compare 21/54 and 5/64

21/54 is greater than 5/64

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 64 is 1728

    Next, find the equivalent fraction of both fractional numbers with denominator 1728
  2. For the 1st fraction, since 54 × 32 = 1728,
    21/54 = 21 × 32/54 × 32 = 672/1728
  3. Likewise, for the 2nd fraction, since 64 × 27 = 1728,
    5/64 = 5 × 27/64 × 27 = 135/1728
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 672/1728 > 135/1728 or 21/54 > 5/64

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