Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/27 and 18/30

18/27 + 18/30 is 19/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 30 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 27 × 10 = 270,
    18/27 = 18 × 10/27 × 10 = 180/270
  3. Likewise, for the 2nd fraction, since 30 × 9 = 270,
    18/30 = 18 × 9/30 × 9 = 162/270
  4. Add the two like fractions:
    180/270 + 162/270 = 180 + 162/270 = 342/270
  5. 342/270 simplified gives 19/15
  6. So, 18/27 + 18/30 = 19/15
    In mixed form: 14/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com