Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/6 and 1/21

1/6 + 1/21 is 3/14.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 6 × 7 = 42,
    1/6 = 1 × 7/6 × 7 = 7/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    1/21 = 1 × 2/21 × 2 = 2/42
  4. Add the two like fractions:
    7/42 + 2/42 = 7 + 2/42 = 9/42
  5. 9/42 simplified gives 3/14
  6. So, 1/6 + 1/21 = 3/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com