Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 14/40 and 7/81

14/40 + 7/81 is 707/1620.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 81 is 3240

    Next, find the equivalent fraction of both fractional numbers with denominator 3240
  2. For the 1st fraction, since 40 × 81 = 3240,
    14/40 = 14 × 81/40 × 81 = 1134/3240
  3. Likewise, for the 2nd fraction, since 81 × 40 = 3240,
    7/81 = 7 × 40/81 × 40 = 280/3240
  4. Add the two like fractions:
    1134/3240 + 280/3240 = 1134 + 280/3240 = 1414/3240
  5. 1414/3240 simplified gives 707/1620
  6. So, 14/40 + 7/81 = 707/1620

MathStep (Works offline)

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

Related:

© everydaycalculation.com