Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/36 and 30/27

1st number: 2 9/36, 2nd number: 1 3/27

81/36 + 30/27 is 121/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 27 is 108

    Next, find the equivalent fraction of both fractional numbers with denominator 108
  2. For the 1st fraction, since 36 × 3 = 108,
    81/36 = 81 × 3/36 × 3 = 243/108
  3. Likewise, for the 2nd fraction, since 27 × 4 = 108,
    30/27 = 30 × 4/27 × 4 = 120/108
  4. Add the two like fractions:
    243/108 + 120/108 = 243 + 120/108 = 363/108
  5. 363/108 simplified gives 121/36
  6. So, 81/36 + 30/27 = 121/36
    In mixed form: 313/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com