Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 54/3 and 81/40

1st number: 18 0/3, 2nd number: 2 1/40

54/3 is greater than 81/40

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 3 × 40 = 120,
    54/3 = 54 × 40/3 × 40 = 2160/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    81/40 = 81 × 3/40 × 3 = 243/120
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 2160/120 > 243/120 or 54/3 > 81/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com