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Answers.everydaycalculation.com » Compare fractions

Compare 21/12 and 18/25

1st number: 1 9/12, 2nd number: 18/25

21/12 is greater than 18/25

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 25 is 300

    Next, find the equivalent fraction of both fractional numbers with denominator 300
  2. For the 1st fraction, since 12 × 25 = 300,
    21/12 = 21 × 25/12 × 25 = 525/300
  3. Likewise, for the 2nd fraction, since 25 × 12 = 300,
    18/25 = 18 × 12/25 × 12 = 216/300
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 525/300 > 216/300 or 21/12 > 18/25

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