Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/21 and 2/42

4/21 + 2/42 is 5/21.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 21 × 2 = 42,
    4/21 = 4 × 2/21 × 2 = 8/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    2/42 = 2 × 1/42 × 1 = 2/42
  4. Add the two like fractions:
    8/42 + 2/42 = 8 + 2/42 = 10/42
  5. 10/42 simplified gives 5/21
  6. So, 4/21 + 2/42 = 5/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com