Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 2/20 and 8/21

2/20 + 8/21 is 101/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 21 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    2/20 = 2 × 21/20 × 21 = 42/420
  3. Likewise, for the 2nd fraction, since 21 × 20 = 420,
    8/21 = 8 × 20/21 × 20 = 160/420
  4. Add the two like fractions:
    42/420 + 160/420 = 42 + 160/420 = 202/420
  5. 202/420 simplified gives 101/210
  6. So, 2/20 + 8/21 = 101/210

MathStep (Works offline)

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

Related:

© everydaycalculation.com