Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Compare fractions

Compare 20/42 and 70/16

1st number: 20/42, 2nd number: 4 6/16

20/42 is smaller than 70/16

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 16 is 336
  2. For the 1st fraction, since 42 × 8 = 336,
    20/42 = 20 × 8/42 × 8 = 160/336
  3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
    70/16 = 70 × 21/16 × 21 = 1470/336
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 160/336 < 1470/336 or 20/42 < 70/16

MathStep (Works offline)

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

Related:

© everydaycalculation.com