Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/18 and 90/9

1st number: 1 9/18, 2nd number: 10 0/9

27/18 + 90/9 is 23/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 9 is 18
  2. For the 1st fraction, since 18 × 1 = 18,
    27/18 = 27 × 1/18 × 1 = 27/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    90/9 = 90 × 2/9 × 2 = 180/18
  4. Add the two fractions:
    27/18 + 180/18 = 27 + 180/18 = 207/18
  5. 207/18 simplified gives 23/2
  6. So, 27/18 + 90/9 = 23/2
    In mixed form: 111/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com