Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/18 and 30/40

4/18 + 30/40 is 35/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 18 × 20 = 360,
    4/18 = 4 × 20/18 × 20 = 80/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    30/40 = 30 × 9/40 × 9 = 270/360
  4. Add the two like fractions:
    80/360 + 270/360 = 80 + 270/360 = 350/360
  5. 350/360 simplified gives 35/36
  6. So, 4/18 + 30/40 = 35/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com