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Answers.everydaycalculation.com » Compare fractions

Compare 3/21 and 1/9

3/21 is greater than 1/9

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 9 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 21 × 3 = 63,
    3/21 = 3 × 3/21 × 3 = 9/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    1/9 = 1 × 7/9 × 7 = 7/63
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 9/63 > 7/63 or 3/21 > 1/9

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