Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/80 and 5/9

45/80 + 5/9 is 161/144.

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,
    45/80 = 45 × 9/80 × 9 = 405/720
  3. Likewise, for the 2nd fraction, since 9 × 80 = 720,
    5/9 = 5 × 80/9 × 80 = 400/720
  4. Add the two like fractions:
    405/720 + 400/720 = 405 + 400/720 = 805/720
  5. 805/720 simplified gives 161/144
  6. So, 45/80 + 5/9 = 161/144
    In mixed form: 117/144

MathStep (Works offline)

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

Related:

© everydaycalculation.com