Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/84 and 5/10

20/84 + 5/10 is 31/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 10 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    20/84 = 20 × 5/84 × 5 = 100/420
  3. Likewise, for the 2nd fraction, since 10 × 42 = 420,
    5/10 = 5 × 42/10 × 42 = 210/420
  4. Add the two like fractions:
    100/420 + 210/420 = 100 + 210/420 = 310/420
  5. 310/420 simplified gives 31/42
  6. So, 20/84 + 5/10 = 31/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com