Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 5/2 and 2/21

1st number: 2 1/2, 2nd number: 2/21

5/2 is greater than 2/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 21 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 2 × 21 = 42,
    5/2 = 5 × 21/2 × 21 = 105/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    2/21 = 2 × 2/21 × 2 = 4/42
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 105/42 > 4/42 or 5/2 > 2/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com