Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/81 and 10/5

1st number: 54/81, 2nd number: 2 0/5

54/81 + 10/5 is 8/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 5 is 405
  2. For the 1st fraction, since 81 × 5 = 405,
    54/81 = 54 × 5/81 × 5 = 270/405
  3. Likewise, for the 2nd fraction, since 5 × 81 = 405,
    10/5 = 10 × 81/5 × 81 = 810/405
  4. Add the two fractions:
    270/405 + 810/405 = 270 + 810/405 = 1080/405
  5. 1080/405 simplified gives 8/3
  6. So, 54/81 + 10/5 = 8/3
    In mixed form: 22/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com