Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 6/9 and 42/81

6/9 + 42/81 is 32/27.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 81 is 81

    Next, find the equivalent fraction of both fractional numbers with denominator 81
  2. For the 1st fraction, since 9 × 9 = 81,
    6/9 = 6 × 9/9 × 9 = 54/81
  3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
    42/81 = 42 × 1/81 × 1 = 42/81
  4. Add the two like fractions:
    54/81 + 42/81 = 54 + 42/81 = 96/81
  5. 96/81 simplified gives 32/27
  6. So, 6/9 + 42/81 = 32/27
    In mixed form: 15/27

MathStep (Works offline)

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

Related:

© everydaycalculation.com