Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/21 and 2/18

1st number: 1 6/21, 2nd number: 2/18

27/21 + 2/18 is 88/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 21 × 6 = 126,
    27/21 = 27 × 6/21 × 6 = 162/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    2/18 = 2 × 7/18 × 7 = 14/126
  4. Add the two like fractions:
    162/126 + 14/126 = 162 + 14/126 = 176/126
  5. 176/126 simplified gives 88/63
  6. So, 27/21 + 2/18 = 88/63
    In mixed form: 125/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com