Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/45 and 30/80

10/45 + 30/80 is 43/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 45 × 16 = 720,
    10/45 = 10 × 16/45 × 16 = 160/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    30/80 = 30 × 9/80 × 9 = 270/720
  4. Add the two like fractions:
    160/720 + 270/720 = 160 + 270/720 = 430/720
  5. 430/720 simplified gives 43/72
  6. So, 10/45 + 30/80 = 43/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com