Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/45 and 4/81

5/45 + 4/81 is 13/81.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 81 is 405

    Next, find the equivalent fraction of both fractional numbers with denominator 405
  2. For the 1st fraction, since 45 × 9 = 405,
    5/45 = 5 × 9/45 × 9 = 45/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    4/81 = 4 × 5/81 × 5 = 20/405
  4. Add the two like fractions:
    45/405 + 20/405 = 45 + 20/405 = 65/405
  5. 65/405 simplified gives 13/81
  6. So, 5/45 + 4/81 = 13/81

MathStep (Works offline)

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

Related:

© everydaycalculation.com