Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 49/20 and 21/9

1st number: 2 9/20, 2nd number: 2 3/9

49/20 is greater than 21/9

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 9 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    49/20 = 49 × 9/20 × 9 = 441/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    21/9 = 21 × 20/9 × 20 = 420/180
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 441/180 > 420/180 or 49/20 > 21/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com