Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 80/6 and 12/21

1st number: 13 2/6, 2nd number: 12/21

80/6 is greater than 12/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 21 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 6 × 7 = 42,
    80/6 = 80 × 7/6 × 7 = 560/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    12/21 = 12 × 2/21 × 2 = 24/42
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 560/42 > 24/42 or 80/6 > 12/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com