Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/5 and 90/18

1st number: 8 0/5, 2nd number: 5 0/18

40/5 + 90/18 is 13/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 5 × 18 = 90,
    40/5 = 40 × 18/5 × 18 = 720/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    90/18 = 90 × 5/18 × 5 = 450/90
  4. Add the two like fractions:
    720/90 + 450/90 = 720 + 450/90 = 1170/90
  5. 1170/90 simplified gives 13/1
  6. So, 40/5 + 90/18 = 13/1

MathStep (Works offline)

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

Related:

© everydaycalculation.com