Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/35 and 54/84

28/35 + 54/84 is 101/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 35 × 12 = 420,
    28/35 = 28 × 12/35 × 12 = 336/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    54/84 = 54 × 5/84 × 5 = 270/420
  4. Add the two like fractions:
    336/420 + 270/420 = 336 + 270/420 = 606/420
  5. 606/420 simplified gives 101/70
  6. So, 28/35 + 54/84 = 101/70
    In mixed form: 131/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com