Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/18 and 80/20

1st number: 7/18, 2nd number: 4 0/20

7/18 + 80/20 is 79/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 18 × 10 = 180,
    7/18 = 7 × 10/18 × 10 = 70/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    80/20 = 80 × 9/20 × 9 = 720/180
  4. Add the two like fractions:
    70/180 + 720/180 = 70 + 720/180 = 790/180
  5. 790/180 simplified gives 79/18
  6. So, 7/18 + 80/20 = 79/18
    In mixed form: 47/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com