Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/90 and 45/54

28/90 + 45/54 is 103/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 90 × 3 = 270,
    28/90 = 28 × 3/90 × 3 = 84/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    45/54 = 45 × 5/54 × 5 = 225/270
  4. Add the two like fractions:
    84/270 + 225/270 = 84 + 225/270 = 309/270
  5. 309/270 simplified gives 103/90
  6. So, 28/90 + 45/54 = 103/90
    In mixed form: 113/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com