Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/84 and 9/21

8/84 + 9/21 is 11/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 21 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 84 × 1 = 84,
    8/84 = 8 × 1/84 × 1 = 8/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    9/21 = 9 × 4/21 × 4 = 36/84
  4. Add the two like fractions:
    8/84 + 36/84 = 8 + 36/84 = 44/84
  5. 44/84 simplified gives 11/21
  6. So, 8/84 + 9/21 = 11/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com