Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/18 and 8/40

3/18 + 8/40 is 11/30.

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,
    3/18 = 3 × 20/18 × 20 = 60/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    8/40 = 8 × 9/40 × 9 = 72/360
  4. Add the two like fractions:
    60/360 + 72/360 = 60 + 72/360 = 132/360
  5. 132/360 simplified gives 11/30
  6. So, 3/18 + 8/40 = 11/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com