Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 16/20 and 3/81

16/20 + 3/81 is 113/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 81 is 1620

    Next, find the equivalent fraction of both fractional numbers with denominator 1620
  2. For the 1st fraction, since 20 × 81 = 1620,
    16/20 = 16 × 81/20 × 81 = 1296/1620
  3. Likewise, for the 2nd fraction, since 81 × 20 = 1620,
    3/81 = 3 × 20/81 × 20 = 60/1620
  4. Add the two like fractions:
    1296/1620 + 60/1620 = 1296 + 60/1620 = 1356/1620
  5. 1356/1620 simplified gives 113/135
  6. So, 16/20 + 3/81 = 113/135

MathStep (Works offline)

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

Related:

© everydaycalculation.com