Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 70/84 and 20/30

70/84 is greater than 20/30

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 30 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    70/84 = 70 × 5/84 × 5 = 350/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    20/30 = 20 × 14/30 × 14 = 280/420
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 350/420 > 280/420 or 70/84 > 20/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com