Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/80 and 5/18

45/80 + 5/18 is 121/144.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 18 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 18 × 40 = 720,
    5/18 = 5 × 40/18 × 40 = 200/720
  4. Add the two like fractions:
    405/720 + 200/720 = 405 + 200/720 = 605/720
  5. 605/720 simplified gives 121/144
  6. So, 45/80 + 5/18 = 121/144

MathStep (Works offline)

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

Related:

© everydaycalculation.com