Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 84/28 and 18/90

1st number: 3 0/28, 2nd number: 18/90

84/28 is greater than 18/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 90 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    84/28 = 84 × 45/28 × 45 = 3780/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    18/90 = 18 × 14/90 × 14 = 252/1260
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 3780/1260 > 252/1260 or 84/28 > 18/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com