Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/2 and 18/81

1st number: 10 0/2, 2nd number: 18/81

20/2 + 18/81 is 92/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 81 is 162

    Next, find the equivalent fraction of both fractional numbers with denominator 162
  2. For the 1st fraction, since 2 × 81 = 162,
    20/2 = 20 × 81/2 × 81 = 1620/162
  3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
    18/81 = 18 × 2/81 × 2 = 36/162
  4. Add the two like fractions:
    1620/162 + 36/162 = 1620 + 36/162 = 1656/162
  5. 1656/162 simplified gives 92/9
  6. So, 20/2 + 18/81 = 92/9
    In mixed form: 102/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com