Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/98 and 6/20

21/98 + 6/20 is 18/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 20 is 980

    Next, find the equivalent fraction of both fractional numbers with denominator 980
  2. For the 1st fraction, since 98 × 10 = 980,
    21/98 = 21 × 10/98 × 10 = 210/980
  3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
    6/20 = 6 × 49/20 × 49 = 294/980
  4. Add the two like fractions:
    210/980 + 294/980 = 210 + 294/980 = 504/980
  5. 504/980 simplified gives 18/35
  6. So, 21/98 + 6/20 = 18/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com