Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 50/80 and 35/81

50/80 + 35/81 is 685/648.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 81 is 6480

    Next, find the equivalent fraction of both fractional numbers with denominator 6480
  2. For the 1st fraction, since 80 × 81 = 6480,
    50/80 = 50 × 81/80 × 81 = 4050/6480
  3. Likewise, for the 2nd fraction, since 81 × 80 = 6480,
    35/81 = 35 × 80/81 × 80 = 2800/6480
  4. Add the two like fractions:
    4050/6480 + 2800/6480 = 4050 + 2800/6480 = 6850/6480
  5. 6850/6480 simplified gives 685/648
  6. So, 50/80 + 35/81 = 685/648
    In mixed form: 137/648

MathStep (Works offline)

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

Related:

© everydaycalculation.com