Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 15/12 and 42/70

1st number: 1 3/12, 2nd number: 42/70

15/12 is greater than 42/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 70 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 12 × 35 = 420,
    15/12 = 15 × 35/12 × 35 = 525/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    42/70 = 42 × 6/70 × 6 = 252/420
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 525/420 > 252/420 or 15/12 > 42/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com