Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 42/70 and 30/84

42/70 is greater than 30/84

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 70 × 6 = 420,
    42/70 = 42 × 6/70 × 6 = 252/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    30/84 = 30 × 5/84 × 5 = 150/420
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 252/420 > 150/420 or 42/70 > 30/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com