Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Compare fractions

Compare 48/50 and 90/21

1st number: 48/50, 2nd number: 4 6/21

48/50 is smaller than 90/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 21 is 1050
  2. For the 1st fraction, since 50 × 21 = 1050,
    48/50 = 48 × 21/50 × 21 = 1008/1050
  3. Likewise, for the 2nd fraction, since 21 × 50 = 1050,
    90/21 = 90 × 50/21 × 50 = 4500/1050
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1008/1050 < 4500/1050 or 48/50 < 90/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com