Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 80/18 and 30/42

1st number: 4 8/18, 2nd number: 30/42

80/18 is greater than 30/42

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 42 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    80/18 = 80 × 7/18 × 7 = 560/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    30/42 = 30 × 3/42 × 3 = 90/126
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 560/126 > 90/126 or 80/18 > 30/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com