Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/18 and 12/7

1st number: 1 9/18, 2nd number: 1 5/7

27/18 + 12/7 is 45/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 7 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    27/18 = 27 × 7/18 × 7 = 189/126
  3. Likewise, for the 2nd fraction, since 7 × 18 = 126,
    12/7 = 12 × 18/7 × 18 = 216/126
  4. Add the two like fractions:
    189/126 + 216/126 = 189 + 216/126 = 405/126
  5. 405/126 simplified gives 45/14
  6. So, 27/18 + 12/7 = 45/14
    In mixed form: 33/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com