Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 50/20 and 90/70

1st number: 2 10/20, 2nd number: 1 20/70

50/20 is greater than 90/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 70 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    50/20 = 50 × 7/20 × 7 = 350/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    90/70 = 90 × 2/70 × 2 = 180/140
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 350/140 > 180/140 or 50/20 > 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