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Answers.everydaycalculation.com » Compare fractions

Compare 2/21 and 8/12

2/21 is smaller than 8/12

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 12 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 21 × 4 = 84,
    2/21 = 2 × 4/21 × 4 = 8/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    8/12 = 8 × 7/12 × 7 = 56/84
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 8/84 < 56/84 or 2/21 < 8/12

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