Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 84/40 and 20/18

1st number: 2 4/40, 2nd number: 1 2/18

84/40 is greater than 20/18

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 18 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    84/40 = 84 × 9/40 × 9 = 756/360
  3. Likewise, for the 2nd fraction, since 18 × 20 = 360,
    20/18 = 20 × 20/18 × 20 = 400/360
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 756/360 > 400/360 or 84/40 > 20/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com