Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/12 and 7/9

1st number: 1 8/12, 2nd number: 7/9

20/12 + 7/9 is 22/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 9 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    20/12 = 20 × 3/12 × 3 = 60/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    7/9 = 7 × 4/9 × 4 = 28/36
  4. Add the two like fractions:
    60/36 + 28/36 = 60 + 28/36 = 88/36
  5. 88/36 simplified gives 22/9
  6. So, 20/12 + 7/9 = 22/9
    In mixed form: 24/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com