Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 6/40 and 21/15

1st number: 6/40, 2nd number: 1 6/15

6/40 is smaller than 21/15

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 15 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 40 × 3 = 120,
    6/40 = 6 × 3/40 × 3 = 18/120
  3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
    21/15 = 21 × 8/15 × 8 = 168/120
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 18/120 < 168/120 or 6/40 < 21/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com