Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Compare fractions

Compare 10/15 and 12/42

10/15 is greater than 12/42

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 42 is 210
  2. For the 1st fraction, since 15 × 14 = 210,
    10/15 = 10 × 14/15 × 14 = 140/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    12/42 = 12 × 5/42 × 5 = 60/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 140/210 > 60/210 or 10/15 > 12/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com