Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/84 and 70/49

1st number: 28/84, 2nd number: 1 21/49

28/84 + 70/49 is 37/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 49 is 588

    Next, find the equivalent fraction of both fractional numbers with denominator 588
  2. For the 1st fraction, since 84 × 7 = 588,
    28/84 = 28 × 7/84 × 7 = 196/588
  3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
    70/49 = 70 × 12/49 × 12 = 840/588
  4. Add the two like fractions:
    196/588 + 840/588 = 196 + 840/588 = 1036/588
  5. 1036/588 simplified gives 37/21
  6. So, 28/84 + 70/49 = 37/21
    In mixed form: 116/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com