Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/80 and 5/21

27/80 + 5/21 is 967/1680.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 21 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 80 × 21 = 1680,
    27/80 = 27 × 21/80 × 21 = 567/1680
  3. Likewise, for the 2nd fraction, since 21 × 80 = 1680,
    5/21 = 5 × 80/21 × 80 = 400/1680
  4. Add the two like fractions:
    567/1680 + 400/1680 = 567 + 400/1680 = 967/1680
  5. So, 27/80 + 5/21 = 967/1680

MathStep (Works offline)

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

Related:

© everydaycalculation.com