Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 80/42 and 90/24

1st number: 1 38/42, 2nd number: 3 18/24

80/42 is smaller than 90/24

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 24 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 42 × 4 = 168,
    80/42 = 80 × 4/42 × 4 = 320/168
  3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
    90/24 = 90 × 7/24 × 7 = 630/168
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 320/168 < 630/168 or 80/42 < 90/24

MathStep (Works offline)

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

Related:

© everydaycalculation.com