Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Compare fractions

Compare 70/80 and 21/25

70/80 is greater than 21/25

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 25 is 400
  2. For the 1st fraction, since 80 × 5 = 400,
    70/80 = 70 × 5/80 × 5 = 350/400
  3. Likewise, for the 2nd fraction, since 25 × 16 = 400,
    21/25 = 21 × 16/25 × 16 = 336/400
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 350/400 > 336/400 or 70/80 > 21/25

MathStep (Works offline)

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

Related:

© everydaycalculation.com