Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 90/84 and 45/75

1st number: 1 6/84, 2nd number: 45/75

90/84 is greater than 45/75

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 75 is 2100

    Next, find the equivalent fraction of both fractional numbers with denominator 2100
  2. For the 1st fraction, since 84 × 25 = 2100,
    90/84 = 90 × 25/84 × 25 = 2250/2100
  3. Likewise, for the 2nd fraction, since 75 × 28 = 2100,
    45/75 = 45 × 28/75 × 28 = 1260/2100
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 2250/2100 > 1260/2100 or 90/84 > 45/75

MathStep (Works offline)

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

Related:

© everydaycalculation.com