Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/84 and 20/54

54/84 + 20/54 is 383/378.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 54 is 756

    Next, find the equivalent fraction of both fractional numbers with denominator 756
  2. For the 1st fraction, since 84 × 9 = 756,
    54/84 = 54 × 9/84 × 9 = 486/756
  3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
    20/54 = 20 × 14/54 × 14 = 280/756
  4. Add the two like fractions:
    486/756 + 280/756 = 486 + 280/756 = 766/756
  5. 766/756 simplified gives 383/378
  6. So, 54/84 + 20/54 = 383/378
    In mixed form: 15/378

MathStep (Works offline)

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

Related:

© everydaycalculation.com