Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/12 and 5/45

1st number: 2 3/12, 2nd number: 5/45

27/12 + 5/45 is 85/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    27/12 = 27 × 15/12 × 15 = 405/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    5/45 = 5 × 4/45 × 4 = 20/180
  4. Add the two like fractions:
    405/180 + 20/180 = 405 + 20/180 = 425/180
  5. 425/180 simplified gives 85/36
  6. So, 27/12 + 5/45 = 85/36
    In mixed form: 213/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com