Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/21 and 20/50

1/21 + 20/50 is 47/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 50 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 21 × 50 = 1050,
    1/21 = 1 × 50/21 × 50 = 50/1050
  3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
    20/50 = 20 × 21/50 × 21 = 420/1050
  4. Add the two like fractions:
    50/1050 + 420/1050 = 50 + 420/1050 = 470/1050
  5. 470/1050 simplified gives 47/105
  6. So, 1/21 + 20/50 = 47/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com