Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 80/36 and 30/21

1st number: 2 8/36, 2nd number: 1 9/21

80/36 is greater than 30/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 21 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 36 × 7 = 252,
    80/36 = 80 × 7/36 × 7 = 560/252
  3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
    30/21 = 30 × 12/21 × 12 = 360/252
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 560/252 > 360/252 or 80/36 > 30/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com