Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 40/81 and 40/70

40/81 is smaller than 40/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 70 is 5670

    Next, find the equivalent fraction of both fractional numbers with denominator 5670
  2. For the 1st fraction, since 81 × 70 = 5670,
    40/81 = 40 × 70/81 × 70 = 2800/5670
  3. Likewise, for the 2nd fraction, since 70 × 81 = 5670,
    40/70 = 40 × 81/70 × 81 = 3240/5670
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 2800/5670 < 3240/5670 or 40/81 < 40/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com