Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/81 and 84/56

1st number: 28/81, 2nd number: 1 28/56

28/81 + 84/56 is 299/162.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 4536
  2. For the 1st fraction, since 81 × 56 = 4536,
    28/81 = 28 × 56/81 × 56 = 1568/4536
  3. Likewise, for the 2nd fraction, since 56 × 81 = 4536,
    84/56 = 84 × 81/56 × 81 = 6804/4536
  4. Add the two like fractions:
    1568/4536 + 6804/4536 = 1568 + 6804/4536 = 8372/4536
  5. 8372/4536 simplified gives 299/162
  6. So, 28/81 + 84/56 = 299/162
    In mixed form: 1137/162

MathStep (Works offline)

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

Related:

© everydaycalculation.com