Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/84 and 42/98

70/84 + 42/98 is 53/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 98 is 588

    Next, find the equivalent fraction of both fractional numbers with denominator 588
  2. For the 1st fraction, since 84 × 7 = 588,
    70/84 = 70 × 7/84 × 7 = 490/588
  3. Likewise, for the 2nd fraction, since 98 × 6 = 588,
    42/98 = 42 × 6/98 × 6 = 252/588
  4. Add the two like fractions:
    490/588 + 252/588 = 490 + 252/588 = 742/588
  5. 742/588 simplified gives 53/42
  6. So, 70/84 + 42/98 = 53/42
    In mixed form: 111/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com