Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 21/3 and 2/45

1st number: 7 0/3, 2nd number: 2/45

21/3 is greater than 2/45

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 45 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 3 × 15 = 45,
    21/3 = 21 × 15/3 × 15 = 315/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    2/45 = 2 × 1/45 × 1 = 2/45
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 315/45 > 2/45 or 21/3 > 2/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com