Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 6/20 and 9/45

6/20 + 9/45 is 1/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    6/20 = 6 × 9/20 × 9 = 54/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    9/45 = 9 × 4/45 × 4 = 36/180
  4. Add the two like fractions:
    54/180 + 36/180 = 54 + 36/180 = 90/180
  5. 90/180 simplified gives 1/2
  6. So, 6/20 + 9/45 = 1/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com