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Answers.everydaycalculation.com » Compare fractions

Compare 12/16 and 21/30

12/16 is greater than 21/30

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 30 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 16 × 15 = 240,
    12/16 = 12 × 15/16 × 15 = 180/240
  3. Likewise, for the 2nd fraction, since 30 × 8 = 240,
    21/30 = 21 × 8/30 × 8 = 168/240
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 180/240 > 168/240 or 12/16 > 21/30

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