Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/36 and 5/81

28/36 + 5/81 is 68/81.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 81 is 324
  2. For the 1st fraction, since 36 × 9 = 324,
    28/36 = 28 × 9/36 × 9 = 252/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    5/81 = 5 × 4/81 × 4 = 20/324
  4. Add the two fractions:
    252/324 + 20/324 = 252 + 20/324 = 272/324
  5. 272/324 simplified gives 68/81
  6. So, 28/36 + 5/81 = 68/81

MathStep (Works offline)

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

Related:

© everydaycalculation.com