Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/8 and 7/81

5/8 + 7/81 is 461/648.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 81 is 648

    Next, find the equivalent fraction of both fractional numbers with denominator 648
  2. For the 1st fraction, since 8 × 81 = 648,
    5/8 = 5 × 81/8 × 81 = 405/648
  3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
    7/81 = 7 × 8/81 × 8 = 56/648
  4. Add the two like fractions:
    405/648 + 56/648 = 405 + 56/648 = 461/648
  5. So, 5/8 + 7/81 = 461/648

MathStep (Works offline)

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

Related:

© everydaycalculation.com