Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/9 and 15/80

8/9 + 15/80 is 155/144.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 9 × 80 = 720,
    8/9 = 8 × 80/9 × 80 = 640/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    15/80 = 15 × 9/80 × 9 = 135/720
  4. Add the two like fractions:
    640/720 + 135/720 = 640 + 135/720 = 775/720
  5. 775/720 simplified gives 155/144
  6. So, 8/9 + 15/80 = 155/144
    In mixed form: 111/144

MathStep (Works offline)

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

Related:

© everydaycalculation.com