Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Compare fractions

Compare 18/63 and 45/70

18/63 is smaller than 45/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 70 is 630
  2. For the 1st fraction, since 63 × 10 = 630,
    18/63 = 18 × 10/63 × 10 = 180/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    45/70 = 45 × 9/70 × 9 = 405/630
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 180/630 < 405/630 or 18/63 < 45/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com