Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 56/84 and 12/42

56/84 + 12/42 is 20/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 42 is 84
  2. For the 1st fraction, since 84 × 1 = 84,
    56/84 = 56 × 1/84 × 1 = 56/84
  3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
    12/42 = 12 × 2/42 × 2 = 24/84
  4. Add the two fractions:
    56/84 + 24/84 = 56 + 24/84 = 80/84
  5. 80/84 simplified gives 20/21
  6. So, 56/84 + 12/42 = 20/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com