Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 45/75 and 72/18

1st number: 45/75, 2nd number: 4 0/18

45/75 is smaller than 72/18

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 18 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 75 × 6 = 450,
    45/75 = 45 × 6/75 × 6 = 270/450
  3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
    72/18 = 72 × 25/18 × 25 = 1800/450
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 270/450 < 1800/450 or 45/75 < 72/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com