Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/81 and 4/9

18/81 + 4/9 is 2/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 9 is 81

    Next, find the equivalent fraction of both fractional numbers with denominator 81
  2. For the 1st fraction, since 81 × 1 = 81,
    18/81 = 18 × 1/81 × 1 = 18/81
  3. Likewise, for the 2nd fraction, since 9 × 9 = 81,
    4/9 = 4 × 9/9 × 9 = 36/81
  4. Add the two like fractions:
    18/81 + 36/81 = 18 + 36/81 = 54/81
  5. 54/81 simplified gives 2/3
  6. So, 18/81 + 4/9 = 2/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com