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Answers.everydaycalculation.com » Compare fractions

Compare 15/28 and 6/21

15/28 is greater than 6/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 21 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 28 × 3 = 84,
    15/28 = 15 × 3/28 × 3 = 45/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    6/21 = 6 × 4/21 × 4 = 24/84
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 45/84 > 24/84 or 15/28 > 6/21

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