Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Compare fractions

Compare 21/30 and 2/54

21/30 is greater than 2/54

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 54 is 270
  2. For the 1st fraction, since 30 × 9 = 270,
    21/30 = 21 × 9/30 × 9 = 189/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    2/54 = 2 × 5/54 × 5 = 10/270
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 189/270 > 10/270 or 21/30 > 2/54

MathStep (Works offline)

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

Related:

© everydaycalculation.com