Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/98 and 9/21

63/98 + 9/21 is 15/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 21 is 294

    Next, find the equivalent fraction of both fractional numbers with denominator 294
  2. For the 1st fraction, since 98 × 3 = 294,
    63/98 = 63 × 3/98 × 3 = 189/294
  3. Likewise, for the 2nd fraction, since 21 × 14 = 294,
    9/21 = 9 × 14/21 × 14 = 126/294
  4. Add the two like fractions:
    189/294 + 126/294 = 189 + 126/294 = 315/294
  5. 315/294 simplified gives 15/14
  6. So, 63/98 + 9/21 = 15/14
    In mixed form: 11/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com