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Answers.everydaycalculation.com » Compare fractions

Compare 20/21 and 4/54

20/21 is greater than 4/54

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 54 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 21 × 18 = 378,
    20/21 = 20 × 18/21 × 18 = 360/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    4/54 = 4 × 7/54 × 7 = 28/378
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 360/378 > 28/378 or 20/21 > 4/54

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