Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 12/14 and 21/81

12/14 is greater than 21/81

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 81 is 1134

    Next, find the equivalent fraction of both fractional numbers with denominator 1134
  2. For the 1st fraction, since 14 × 81 = 1134,
    12/14 = 12 × 81/14 × 81 = 972/1134
  3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
    21/81 = 21 × 14/81 × 14 = 294/1134
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 972/1134 > 294/1134 or 12/14 > 21/81

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com