Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/42 and 63/98

20/42 + 63/98 is 47/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 98 is 294

    Next, find the equivalent fraction of both fractional numbers with denominator 294
  2. For the 1st fraction, since 42 × 7 = 294,
    20/42 = 20 × 7/42 × 7 = 140/294
  3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
    63/98 = 63 × 3/98 × 3 = 189/294
  4. Add the two like fractions:
    140/294 + 189/294 = 140 + 189/294 = 329/294
  5. 329/294 simplified gives 47/42
  6. So, 20/42 + 63/98 = 47/42
    In mixed form: 15/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com