Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 21/15 and 56/42

1st number: 1 6/15, 2nd number: 1 14/42

21/15 is greater than 56/42

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    21/15 = 21 × 14/15 × 14 = 294/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    56/42 = 56 × 5/42 × 5 = 280/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 294/210 > 280/210 or 21/15 > 56/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com