Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/80 and 3/81

9/80 + 3/81 is 323/2160.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 81 is 6480

    Next, find the equivalent fraction of both fractional numbers with denominator 6480
  2. For the 1st fraction, since 80 × 81 = 6480,
    9/80 = 9 × 81/80 × 81 = 729/6480
  3. Likewise, for the 2nd fraction, since 81 × 80 = 6480,
    3/81 = 3 × 80/81 × 80 = 240/6480
  4. Add the two like fractions:
    729/6480 + 240/6480 = 729 + 240/6480 = 969/6480
  5. 969/6480 simplified gives 323/2160
  6. So, 9/80 + 3/81 = 323/2160

MathStep (Works offline)

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

Related:

© everydaycalculation.com