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Answers.everydaycalculation.com » Compare fractions

Compare 4/9 and 1/21

4/9 is greater than 1/21

Steps for comparing fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 9 × 7 = 63,
    4/9 = 4 × 7/9 × 7 = 28/63
  3. Likewise, for the 2nd fraction, since 21 × 3 = 63,
    1/21 = 1 × 3/21 × 3 = 3/63
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 28/63 > 3/63 or 4/9 > 1/21

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