Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/36 and 16/5

1st number: 2 9/36, 2nd number: 3 1/5

81/36 + 16/5 is 109/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 5 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 36 × 5 = 180,
    81/36 = 81 × 5/36 × 5 = 405/180
  3. Likewise, for the 2nd fraction, since 5 × 36 = 180,
    16/5 = 16 × 36/5 × 36 = 576/180
  4. Add the two like fractions:
    405/180 + 576/180 = 405 + 576/180 = 981/180
  5. 981/180 simplified gives 109/20
  6. So, 81/36 + 16/5 = 109/20
    In mixed form: 59/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com