Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/90 and 80/18

1st number: 40/90, 2nd number: 4 8/18

40/90 + 80/18 is 44/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    40/90 = 40 × 1/90 × 1 = 40/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    80/18 = 80 × 5/18 × 5 = 400/90
  4. Add the two like fractions:
    40/90 + 400/90 = 40 + 400/90 = 440/90
  5. 440/90 simplified gives 44/9
  6. So, 40/90 + 80/18 = 44/9
    In mixed form: 48/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com