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Answers.everydaycalculation.com » Compare fractions

Compare 2/28 and 3/21

2/28 is smaller than 3/21

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,
    2/28 = 2 × 3/28 × 3 = 6/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    3/21 = 3 × 4/21 × 4 = 12/84
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 6/84 < 12/84 or 2/28 < 3/21

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