Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/2 and 28/81

1/2 + 28/81 is 137/162.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 81 is 162

    Next, find the equivalent fraction of both fractional numbers with denominator 162
  2. For the 1st fraction, since 2 × 81 = 162,
    1/2 = 1 × 81/2 × 81 = 81/162
  3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
    28/81 = 28 × 2/81 × 2 = 56/162
  4. Add the two like fractions:
    81/162 + 56/162 = 81 + 56/162 = 137/162
  5. So, 1/2 + 28/81 = 137/162

MathStep (Works offline)

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

Related:

© everydaycalculation.com