Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/45 and 42/54

28/45 + 42/54 is 7/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 45 × 6 = 270,
    28/45 = 28 × 6/45 × 6 = 168/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    42/54 = 42 × 5/54 × 5 = 210/270
  4. Add the two like fractions:
    168/270 + 210/270 = 168 + 210/270 = 378/270
  5. 378/270 simplified gives 7/5
  6. So, 28/45 + 42/54 = 7/5
    In mixed form: 12/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com