Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/9 and 18/5

1st number: 9 0/9, 2nd number: 3 3/5

81/9 + 18/5 is 63/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 5 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 9 × 5 = 45,
    81/9 = 81 × 5/9 × 5 = 405/45
  3. Likewise, for the 2nd fraction, since 5 × 9 = 45,
    18/5 = 18 × 9/5 × 9 = 162/45
  4. Add the two like fractions:
    405/45 + 162/45 = 405 + 162/45 = 567/45
  5. 567/45 simplified gives 63/5
  6. So, 81/9 + 18/5 = 63/5
    In mixed form: 123/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com