Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/9 and 45/20

1st number: 4/9, 2nd number: 2 5/20

4/9 + 45/20 is 97/36.

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,
    4/9 = 4 × 20/9 × 20 = 80/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    45/20 = 45 × 9/20 × 9 = 405/180
  4. Add the two like fractions:
    80/180 + 405/180 = 80 + 405/180 = 485/180
  5. 485/180 simplified gives 97/36
  6. So, 4/9 + 45/20 = 97/36
    In mixed form: 225/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com