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Answers.everydaycalculation.com » Compare fractions

Compare 3/5 and 21/45

3/5 is greater than 21/45

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 45 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 5 × 9 = 45,
    3/5 = 3 × 9/5 × 9 = 27/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    21/45 = 21 × 1/45 × 1 = 21/45
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 27/45 > 21/45 or 3/5 > 21/45

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