Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/20 and 25/80

15/20 + 25/80 is 17/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 20 × 4 = 80,
    15/20 = 15 × 4/20 × 4 = 60/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    25/80 = 25 × 1/80 × 1 = 25/80
  4. Add the two like fractions:
    60/80 + 25/80 = 60 + 25/80 = 85/80
  5. 85/80 simplified gives 17/16
  6. So, 15/20 + 25/80 = 17/16
    In mixed form: 11/16

MathStep (Works offline)

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

Related:

© everydaycalculation.com