Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 36/9 and 28/20

1st number: 4 0/9, 2nd number: 1 8/20

36/9 + 28/20 is 27/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 9 × 20 = 180,
    36/9 = 36 × 20/9 × 20 = 720/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    28/20 = 28 × 9/20 × 9 = 252/180
  4. Add the two like fractions:
    720/180 + 252/180 = 720 + 252/180 = 972/180
  5. 972/180 simplified gives 27/5
  6. So, 36/9 + 28/20 = 27/5
    In mixed form: 52/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com