Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 30/42 and 28/72

30/42 is greater than 28/72

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 42 × 12 = 504,
    30/42 = 30 × 12/42 × 12 = 360/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    28/72 = 28 × 7/72 × 7 = 196/504
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 360/504 > 196/504 or 30/42 > 28/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com