Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 7/20 and 15/8

1st number: 7/20, 2nd number: 1 7/8

7/20 is smaller than 15/8

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 20 × 2 = 40,
    7/20 = 7 × 2/20 × 2 = 14/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    15/8 = 15 × 5/8 × 5 = 75/40
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 14/40 < 75/40 or 7/20 < 15/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com