Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 70/81 and 48/40

1st number: 70/81, 2nd number: 1 8/40

70/81 is smaller than 48/40

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 40 is 3240

    Next, find the equivalent fraction of both fractional numbers with denominator 3240
  2. For the 1st fraction, since 81 × 40 = 3240,
    70/81 = 70 × 40/81 × 40 = 2800/3240
  3. Likewise, for the 2nd fraction, since 40 × 81 = 3240,
    48/40 = 48 × 81/40 × 81 = 3888/3240
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 2800/3240 < 3888/3240 or 70/81 < 48/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com