Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/20 and 20/27

12/20 + 20/27 is 181/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 27 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 20 × 27 = 540,
    12/20 = 12 × 27/20 × 27 = 324/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    20/27 = 20 × 20/27 × 20 = 400/540
  4. Add the two like fractions:
    324/540 + 400/540 = 324 + 400/540 = 724/540
  5. 724/540 simplified gives 181/135
  6. So, 12/20 + 20/27 = 181/135
    In mixed form: 146/135

MathStep (Works offline)

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

Related:

© everydaycalculation.com