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Answers.everydaycalculation.com » Compare fractions

Compare 1/12 and 21/80

1/12 is smaller than 21/80

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 12 × 20 = 240,
    1/12 = 1 × 20/12 × 20 = 20/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    21/80 = 21 × 3/80 × 3 = 63/240
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 20/240 < 63/240 or 1/12 < 21/80

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