Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Compare fractions

Compare 6/42 and 30/80

6/42 is smaller than 30/80

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 80 is 1680
  2. For the 1st fraction, since 42 × 40 = 1680,
    6/42 = 6 × 40/42 × 40 = 240/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    30/80 = 30 × 21/80 × 21 = 630/1680
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 240/1680 < 630/1680 or 6/42 < 30/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com