Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 40/90 and 54/42

1st number: 40/90, 2nd number: 1 12/42

40/90 is smaller than 54/42

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    40/90 = 40 × 7/90 × 7 = 280/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    54/42 = 54 × 15/42 × 15 = 810/630
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 280/630 < 810/630 or 40/90 < 54/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com