Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/18 and 12/45

1st number: 1 9/18, 2nd number: 12/45

27/18 + 12/45 is 53/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    27/18 = 27 × 5/18 × 5 = 135/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    12/45 = 12 × 2/45 × 2 = 24/90
  4. Add the two like fractions:
    135/90 + 24/90 = 135 + 24/90 = 159/90
  5. 159/90 simplified gives 53/30
  6. So, 27/18 + 12/45 = 53/30
    In mixed form: 123/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com