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Answers.everydaycalculation.com » Compare fractions

Compare 20/3 and 3/21

1st number: 6 2/3, 2nd number: 3/21

20/3 is greater than 3/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 21 is 21

    Next, find the equivalent fraction of both fractional numbers with denominator 21
  2. For the 1st fraction, since 3 × 7 = 21,
    20/3 = 20 × 7/3 × 7 = 140/21
  3. Likewise, for the 2nd fraction, since 21 × 1 = 21,
    3/21 = 3 × 1/21 × 1 = 3/21
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 140/21 > 3/21 or 20/3 > 3/21

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