Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/80 and 40/90

10/80 + 40/90 is 41/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    10/80 = 10 × 9/80 × 9 = 90/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    40/90 = 40 × 8/90 × 8 = 320/720
  4. Add the two like fractions:
    90/720 + 320/720 = 90 + 320/720 = 410/720
  5. 410/720 simplified gives 41/72
  6. So, 10/80 + 40/90 = 41/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com