Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/90 and 84/98

63/90 + 84/98 is 109/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 98 is 4410

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 90 × 49 = 4410,
    63/90 = 63 × 49/90 × 49 = 3087/4410
  3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
    84/98 = 84 × 45/98 × 45 = 3780/4410
  4. Add the two like fractions:
    3087/4410 + 3780/4410 = 3087 + 3780/4410 = 6867/4410
  5. 6867/4410 simplified gives 109/70
  6. So, 63/90 + 84/98 = 109/70
    In mixed form: 139/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com