Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/18 and 12/28

3/18 + 12/28 is 25/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 28 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 18 × 14 = 252,
    3/18 = 3 × 14/18 × 14 = 42/252
  3. Likewise, for the 2nd fraction, since 28 × 9 = 252,
    12/28 = 12 × 9/28 × 9 = 108/252
  4. Add the two like fractions:
    42/252 + 108/252 = 42 + 108/252 = 150/252
  5. 150/252 simplified gives 25/42
  6. So, 3/18 + 12/28 = 25/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com