Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/80 and 9/5

1st number: 12/80, 2nd number: 1 4/5

12/80 + 9/5 is 39/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 5 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    12/80 = 12 × 1/80 × 1 = 12/80
  3. Likewise, for the 2nd fraction, since 5 × 16 = 80,
    9/5 = 9 × 16/5 × 16 = 144/80
  4. Add the two like fractions:
    12/80 + 144/80 = 12 + 144/80 = 156/80
  5. 156/80 simplified gives 39/20
  6. So, 12/80 + 9/5 = 39/20
    In mixed form: 119/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com