Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 70/18 and 84/20

1st number: 3 16/18, 2nd number: 4 4/20

70/18 is smaller than 84/20

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 18 × 10 = 180,
    70/18 = 70 × 10/18 × 10 = 700/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    84/20 = 84 × 9/20 × 9 = 756/180
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 700/180 < 756/180 or 70/18 < 84/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com