Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/18 and 9/4

1st number: 1 2/18, 2nd number: 2 1/4

20/18 + 9/4 is 121/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 4 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 18 × 2 = 36,
    20/18 = 20 × 2/18 × 2 = 40/36
  3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
    9/4 = 9 × 9/4 × 9 = 81/36
  4. Add the two like fractions:
    40/36 + 81/36 = 40 + 81/36 = 121/36
  5. So, 20/18 + 9/4 = 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