Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 28/84 and 15/90

28/84 is greater than 15/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 90 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 84 × 15 = 1260,
    28/84 = 28 × 15/84 × 15 = 420/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    15/90 = 15 × 14/90 × 14 = 210/1260
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 420/1260 > 210/1260 or 28/84 > 15/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com