Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 42/16 and 90/18

1st number: 2 10/16, 2nd number: 5 0/18

42/16 is smaller than 90/18

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 18 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 16 × 9 = 144,
    42/16 = 42 × 9/16 × 9 = 378/144
  3. Likewise, for the 2nd fraction, since 18 × 8 = 144,
    90/18 = 90 × 8/18 × 8 = 720/144
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 378/144 < 720/144 or 42/16 < 90/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com