Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 15/42 and 7/9

15/42 is smaller than 7/9

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 9 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 42 × 3 = 126,
    15/42 = 15 × 3/42 × 3 = 45/126
  3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
    7/9 = 7 × 14/9 × 14 = 98/126
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 45/126 < 98/126 or 15/42 < 7/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com