Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Compare fractions

Compare 30/10 and 42/20

1st number: 3 0/10, 2nd number: 2 2/20

30/10 is greater than 42/20

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 20 is 20
  2. For the 1st fraction, since 10 × 2 = 20,
    30/10 = 30 × 2/10 × 2 = 60/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    42/20 = 42 × 1/20 × 1 = 42/20
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 60/20 > 42/20 or 30/10 > 42/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com