Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 10/20 and 25/42

10/20 is smaller than 25/42

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 42 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    10/20 = 10 × 21/20 × 21 = 210/420
  3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
    25/42 = 25 × 10/42 × 10 = 250/420
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 210/420 < 250/420 or 10/20 < 25/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com