Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Compare fractions

Compare 15/4 and 2/21

1st number: 3 3/4, 2nd number: 2/21

15/4 is greater than 2/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 21 is 84
  2. For the 1st fraction, since 4 × 21 = 84,
    15/4 = 15 × 21/4 × 21 = 315/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    2/21 = 2 × 4/21 × 4 = 8/84
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 315/84 > 8/84 or 15/4 > 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