Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/30 and 45/54

12/30 + 45/54 is 37/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 30 × 9 = 270,
    12/30 = 12 × 9/30 × 9 = 108/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    45/54 = 45 × 5/54 × 5 = 225/270
  4. Add the two like fractions:
    108/270 + 225/270 = 108 + 225/270 = 333/270
  5. 333/270 simplified gives 37/30
  6. So, 12/30 + 45/54 = 37/30
    In mixed form: 17/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com