Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/15 and 18/90

9/15 + 18/90 is 4/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 15 × 6 = 90,
    9/15 = 9 × 6/15 × 6 = 54/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    18/90 = 18 × 1/90 × 1 = 18/90
  4. Add the two like fractions:
    54/90 + 18/90 = 54 + 18/90 = 72/90
  5. 72/90 simplified gives 4/5
  6. So, 9/15 + 18/90 = 4/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com