Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 80/21 and 21/6

1st number: 3 17/21, 2nd number: 3 3/6

80/21 is greater than 21/6

Steps for comparing fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 21 × 2 = 42,
    80/21 = 80 × 2/21 × 2 = 160/42
  3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
    21/6 = 21 × 7/6 × 7 = 147/42
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 160/42 > 147/42 or 80/21 > 21/6

MathStep (Works offline)

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

Related:

© everydaycalculation.com