Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/30 and 14/81

20/30 + 14/81 is 68/81.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 81 is 810

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 30 × 27 = 810,
    20/30 = 20 × 27/30 × 27 = 540/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    14/81 = 14 × 10/81 × 10 = 140/810
  4. Add the two like fractions:
    540/810 + 140/810 = 540 + 140/810 = 680/810
  5. 680/810 simplified gives 68/81
  6. So, 20/30 + 14/81 = 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