Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 80/42 and 15/84

1st number: 1 38/42, 2nd number: 15/84

80/42 is greater than 15/84

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 42 × 2 = 84,
    80/42 = 80 × 2/42 × 2 = 160/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    15/84 = 15 × 1/84 × 1 = 15/84
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 160/84 > 15/84 or 80/42 > 15/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com