Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 5/45 and 1/21

5/45 is greater than 1/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 21 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    5/45 = 5 × 7/45 × 7 = 35/315
  3. Likewise, for the 2nd fraction, since 21 × 15 = 315,
    1/21 = 1 × 15/21 × 15 = 15/315
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 35/315 > 15/315 or 5/45 > 1/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com