Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 21/10 and 2/42

1st number: 2 1/10, 2nd number: 2/42

21/10 is greater than 2/42

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 10 × 21 = 210,
    21/10 = 21 × 21/10 × 21 = 441/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    2/42 = 2 × 5/42 × 5 = 10/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 441/210 > 10/210 or 21/10 > 2/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com