Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/18 and 64/10

1st number: 4 9/18, 2nd number: 6 4/10

81/18 + 64/10 is 109/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 10 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    81/18 = 81 × 5/18 × 5 = 405/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    64/10 = 64 × 9/10 × 9 = 576/90
  4. Add the two like fractions:
    405/90 + 576/90 = 405 + 576/90 = 981/90
  5. 981/90 simplified gives 109/10
  6. So, 81/18 + 64/10 = 109/10
    In mixed form: 109/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com