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Answers.everydaycalculation.com » Compare fractions

Compare 25/12 and 15/21

1st number: 2 1/12, 2nd number: 15/21

25/12 is greater than 15/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 21 is 84
  2. For the 1st fraction, since 12 × 7 = 84,
    25/12 = 25 × 7/12 × 7 = 175/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    15/21 = 15 × 4/21 × 4 = 60/84
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 175/84 > 60/84 or 25/12 > 15/21

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