Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 81/40 and 4/9

1st number: 2 1/40, 2nd number: 4/9

81/40 is greater than 4/9

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    81/40 = 81 × 9/40 × 9 = 729/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    4/9 = 4 × 40/9 × 40 = 160/360
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 729/360 > 160/360 or 81/40 > 4/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com