Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/18 and 20/24

1st number: 4 12/18, 2nd number: 20/24

84/18 + 20/24 is 11/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 24 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 18 × 4 = 72,
    84/18 = 84 × 4/18 × 4 = 336/72
  3. Likewise, for the 2nd fraction, since 24 × 3 = 72,
    20/24 = 20 × 3/24 × 3 = 60/72
  4. Add the two like fractions:
    336/72 + 60/72 = 336 + 60/72 = 396/72
  5. 396/72 simplified gives 11/2
  6. So, 84/18 + 20/24 = 11/2
    In mixed form: 51/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com