Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/28 and 27/30

8/28 + 27/30 is 83/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 30 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    8/28 = 8 × 15/28 × 15 = 120/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    27/30 = 27 × 14/30 × 14 = 378/420
  4. Add the two like fractions:
    120/420 + 378/420 = 120 + 378/420 = 498/420
  5. 498/420 simplified gives 83/70
  6. So, 8/28 + 27/30 = 83/70
    In mixed form: 113/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com