Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/21 and 3/6

7/21 + 3/6 is 5/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 6 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 21 × 2 = 42,
    7/21 = 7 × 2/21 × 2 = 14/42
  3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
    3/6 = 3 × 7/6 × 7 = 21/42
  4. Add the two like fractions:
    14/42 + 21/42 = 14 + 21/42 = 35/42
  5. 35/42 simplified gives 5/6
  6. So, 7/21 + 3/6 = 5/6

MathStep (Works offline)

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

Related:

© everydaycalculation.com