Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/6 and 90/81

1st number: 4/6, 2nd number: 1 9/81

4/6 + 90/81 is 16/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 81 is 162

    Next, find the equivalent fraction of both fractional numbers with denominator 162
  2. For the 1st fraction, since 6 × 27 = 162,
    4/6 = 4 × 27/6 × 27 = 108/162
  3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
    90/81 = 90 × 2/81 × 2 = 180/162
  4. Add the two like fractions:
    108/162 + 180/162 = 108 + 180/162 = 288/162
  5. 288/162 simplified gives 16/9
  6. So, 4/6 + 90/81 = 16/9
    In mixed form: 17/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com