Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 30/28 and 21/5

1st number: 1 2/28, 2nd number: 4 1/5

30/28 is smaller than 21/5

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 5 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    30/28 = 30 × 5/28 × 5 = 150/140
  3. Likewise, for the 2nd fraction, since 5 × 28 = 140,
    21/5 = 21 × 28/5 × 28 = 588/140
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 150/140 < 588/140 or 30/28 < 21/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com