Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/80 and 80/90

3/80 + 80/90 is 667/720.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    3/80 = 3 × 9/80 × 9 = 27/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    80/90 = 80 × 8/90 × 8 = 640/720
  4. Add the two like fractions:
    27/720 + 640/720 = 27 + 640/720 = 667/720
  5. So, 3/80 + 80/90 = 667/720

MathStep (Works offline)

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

Related:

© everydaycalculation.com