Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/80 and 2/9

72/80 + 2/9 is 101/90.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    72/80 = 72 × 9/80 × 9 = 648/720
  3. Likewise, for the 2nd fraction, since 9 × 80 = 720,
    2/9 = 2 × 80/9 × 80 = 160/720
  4. Add the two like fractions:
    648/720 + 160/720 = 648 + 160/720 = 808/720
  5. 808/720 simplified gives 101/90
  6. So, 72/80 + 2/9 = 101/90
    In mixed form: 111/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com