Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/6 and 28/8

1st number: 3 3/6, 2nd number: 3 4/8

21/6 + 28/8 is 7/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 8 is 24

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 6 × 4 = 24,
    21/6 = 21 × 4/6 × 4 = 84/24
  3. Likewise, for the 2nd fraction, since 8 × 3 = 24,
    28/8 = 28 × 3/8 × 3 = 84/24
  4. Add the two like fractions:
    84/24 + 84/24 = 84 + 84/24 = 168/24
  5. 168/24 simplified gives 7/1
  6. So, 21/6 + 28/8 = 7/1

MathStep (Works offline)

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

Related:

© everydaycalculation.com