Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 50/54 and 72/21

1st number: 50/54, 2nd number: 3 9/21

50/54 is smaller than 72/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 21 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    50/54 = 50 × 7/54 × 7 = 350/378
  3. Likewise, for the 2nd fraction, since 21 × 18 = 378,
    72/21 = 72 × 18/21 × 18 = 1296/378
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 350/378 < 1296/378 or 50/54 < 72/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com