Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 20/72 and 70/18

1st number: 20/72, 2nd number: 3 16/18

20/72 is smaller than 70/18

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 18 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 72 × 1 = 72,
    20/72 = 20 × 1/72 × 1 = 20/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    70/18 = 70 × 4/18 × 4 = 280/72
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 20/72 < 280/72 or 20/72 < 70/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com