Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 84/30 and 90/70

1st number: 2 24/30, 2nd number: 1 20/70

84/30 is greater than 90/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    84/30 = 84 × 7/30 × 7 = 588/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    90/70 = 90 × 3/70 × 3 = 270/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 588/210 > 270/210 or 84/30 > 90/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com