Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/56 and 12/81

18/56 + 12/81 is 355/756.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 81 is 4536

    Next, find the equivalent fraction of both fractional numbers with denominator 4536
  2. For the 1st fraction, since 56 × 81 = 4536,
    18/56 = 18 × 81/56 × 81 = 1458/4536
  3. Likewise, for the 2nd fraction, since 81 × 56 = 4536,
    12/81 = 12 × 56/81 × 56 = 672/4536
  4. Add the two like fractions:
    1458/4536 + 672/4536 = 1458 + 672/4536 = 2130/4536
  5. 2130/4536 simplified gives 355/756
  6. So, 18/56 + 12/81 = 355/756

MathStep (Works offline)

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

Related:

© everydaycalculation.com