Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Compare fractions

Compare 21/70 and 10/42

21/70 is greater than 10/42

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 42 is 210
  2. For the 1st fraction, since 70 × 3 = 210,
    21/70 = 21 × 3/70 × 3 = 63/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    10/42 = 10 × 5/42 × 5 = 50/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 63/210 > 50/210 or 21/70 > 10/42

Related:

Use fraction calculator with our all-in-one calculator app: Download for Android, Download for iOS

© everydaycalculation.com