Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/2 and 84/21

1st number: 4 0/2, 2nd number: 4 0/21

8/2 + 84/21 is 8/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 21 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 2 × 21 = 42,
    8/2 = 8 × 21/2 × 21 = 168/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    84/21 = 84 × 2/21 × 2 = 168/42
  4. Add the two like fractions:
    168/42 + 168/42 = 168 + 168/42 = 336/42
  5. 336/42 simplified gives 8/1
  6. So, 8/2 + 84/21 = 8/1

MathStep (Works offline)

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

Related:

© everydaycalculation.com