Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/20 and 8/9

1st number: 3 10/20, 2nd number: 8/9

70/20 + 8/9 is 79/18.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    70/20 = 70 × 9/20 × 9 = 630/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    8/9 = 8 × 20/9 × 20 = 160/180
  4. Add the two like fractions:
    630/180 + 160/180 = 630 + 160/180 = 790/180
  5. 790/180 simplified gives 79/18
  6. So, 70/20 + 8/9 = 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