Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 80/12 and 70/18

1st number: 6 8/12, 2nd number: 3 16/18

80/12 + 70/18 is 95/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 18 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    80/12 = 80 × 3/12 × 3 = 240/36
  3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
    70/18 = 70 × 2/18 × 2 = 140/36
  4. Add the two like fractions:
    240/36 + 140/36 = 240 + 140/36 = 380/36
  5. 380/36 simplified gives 95/9
  6. So, 80/12 + 70/18 = 95/9
    In mixed form: 105/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com