Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 21/30 and 63/56

1st number: 21/30, 2nd number: 1 7/56

21/30 is smaller than 63/56

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 30 × 28 = 840,
    21/30 = 21 × 28/30 × 28 = 588/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    63/56 = 63 × 15/56 × 15 = 945/840
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 588/840 < 945/840 or 21/30 < 63/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com