Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/20 and 81/10

1st number: 8/20, 2nd number: 8 1/10

8/20 + 81/10 is 17/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 10 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    8/20 = 8 × 1/20 × 1 = 8/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    81/10 = 81 × 2/10 × 2 = 162/20
  4. Add the two like fractions:
    8/20 + 162/20 = 8 + 162/20 = 170/20
  5. 170/20 simplified gives 17/2
  6. So, 8/20 + 81/10 = 17/2
    In mixed form: 81/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com