Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/12 and 30/80

4/12 + 30/80 is 17/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 12 × 20 = 240,
    4/12 = 4 × 20/12 × 20 = 80/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    30/80 = 30 × 3/80 × 3 = 90/240
  4. Add the two like fractions:
    80/240 + 90/240 = 80 + 90/240 = 170/240
  5. 170/240 simplified gives 17/24
  6. So, 4/12 + 30/80 = 17/24

MathStep (Works offline)

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

Related:

© everydaycalculation.com