Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 16/25 and 21/80

16/25 + 21/80 is 361/400.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 80 is 400

    Next, find the equivalent fraction of both fractional numbers with denominator 400
  2. For the 1st fraction, since 25 × 16 = 400,
    16/25 = 16 × 16/25 × 16 = 256/400
  3. Likewise, for the 2nd fraction, since 80 × 5 = 400,
    21/80 = 21 × 5/80 × 5 = 105/400
  4. Add the two like fractions:
    256/400 + 105/400 = 256 + 105/400 = 361/400
  5. So, 16/25 + 21/80 = 361/400

MathStep (Works offline)

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

Related:

© everydaycalculation.com