Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 30/40 and 7/90

30/40 is greater than 7/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    30/40 = 30 × 9/40 × 9 = 270/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    7/90 = 7 × 4/90 × 4 = 28/360
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 270/360 > 28/360 or 30/40 > 7/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com