Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/21 and 63/84

8/21 + 63/84 is 95/84.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 21 × 4 = 84,
    8/21 = 8 × 4/21 × 4 = 32/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    63/84 = 63 × 1/84 × 1 = 63/84
  4. Add the two like fractions:
    32/84 + 63/84 = 32 + 63/84 = 95/84
  5. So, 8/21 + 63/84 = 95/84
    In mixed form: 111/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com