Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/18 and 30/80

10/18 + 30/80 is 67/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 18 × 40 = 720,
    10/18 = 10 × 40/18 × 40 = 400/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    30/80 = 30 × 9/80 × 9 = 270/720
  4. Add the two like fractions:
    400/720 + 270/720 = 400 + 270/720 = 670/720
  5. 670/720 simplified gives 67/72
  6. So, 10/18 + 30/80 = 67/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com