Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 16/42 and 28/81

16/42 + 28/81 is 412/567.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 81 is 1134
  2. For the 1st fraction, since 42 × 27 = 1134,
    16/42 = 16 × 27/42 × 27 = 432/1134
  3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
    28/81 = 28 × 14/81 × 14 = 392/1134
  4. Add the two fractions:
    432/1134 + 392/1134 = 432 + 392/1134 = 824/1134
  5. After reducing the fraction, the answer is 412/567

MathStep (Works offline)

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

Related:

© everydaycalculation.com