Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 21/90 and 70/48

1st number: 21/90, 2nd number: 1 22/48

21/90 is smaller than 70/48

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 48 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 90 × 8 = 720,
    21/90 = 21 × 8/90 × 8 = 168/720
  3. Likewise, for the 2nd fraction, since 48 × 15 = 720,
    70/48 = 70 × 15/48 × 15 = 1050/720
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 168/720 < 1050/720 or 21/90 < 70/48

MathStep (Works offline)

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

Related:

© everydaycalculation.com