Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/80 and 20/54

72/80 + 20/54 is 343/270.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 54 is 2160

    Next, find the equivalent fraction of both fractional numbers with denominator 2160
  2. For the 1st fraction, since 80 × 27 = 2160,
    72/80 = 72 × 27/80 × 27 = 1944/2160
  3. Likewise, for the 2nd fraction, since 54 × 40 = 2160,
    20/54 = 20 × 40/54 × 40 = 800/2160
  4. Add the two like fractions:
    1944/2160 + 800/2160 = 1944 + 800/2160 = 2744/2160
  5. 2744/2160 simplified gives 343/270
  6. So, 72/80 + 20/54 = 343/270
    In mixed form: 173/270

MathStep (Works offline)

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

Related:

© everydaycalculation.com