Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 16/20 and 21/98

16/20 + 21/98 is 71/70.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 980
  2. For the 1st fraction, since 20 × 49 = 980,
    16/20 = 16 × 49/20 × 49 = 784/980
  3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
    21/98 = 21 × 10/98 × 10 = 210/980
  4. Add the two like fractions:
    784/980 + 210/980 = 784 + 210/980 = 994/980
  5. 994/980 simplified gives 71/70
  6. So, 16/20 + 21/98 = 71/70
    In mixed form: 11/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com