Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 6/42 and 5/81

6/42 + 5/81 is 116/567.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 81 is 1134
  2. For the 1st fraction, since 42 × 27 = 1134,
    6/42 = 6 × 27/42 × 27 = 162/1134
  3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
    5/81 = 5 × 14/81 × 14 = 70/1134
  4. Add the two fractions:
    162/1134 + 70/1134 = 162 + 70/1134 = 232/1134
  5. After reducing the fraction, the answer is 116/567

MathStep (Works offline)

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

Related:

© everydaycalculation.com