Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/9 and 27/15

1st number: 2 0/9, 2nd number: 1 12/15

18/9 + 27/15 is 19/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 15 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 9 × 5 = 45,
    18/9 = 18 × 5/9 × 5 = 90/45
  3. Likewise, for the 2nd fraction, since 15 × 3 = 45,
    27/15 = 27 × 3/15 × 3 = 81/45
  4. Add the two like fractions:
    90/45 + 81/45 = 90 + 81/45 = 171/45
  5. 171/45 simplified gives 19/5
  6. So, 18/9 + 27/15 = 19/5
    In mixed form: 34/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com