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Answers.everydaycalculation.com » Compare fractions

Compare 21/14 and 30/12

1st number: 1 7/14, 2nd number: 2 6/12

21/14 is smaller than 30/12

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 12 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 14 × 6 = 84,
    21/14 = 21 × 6/14 × 6 = 126/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    30/12 = 30 × 7/12 × 7 = 210/84
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 126/84 < 210/84 or 21/14 < 30/12

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