Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/7 and 28/18

1st number: 3 6/7, 2nd number: 1 10/18

27/7 + 28/18 is 341/63.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 7 × 18 = 126,
    27/7 = 27 × 18/7 × 18 = 486/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    28/18 = 28 × 7/18 × 7 = 196/126
  4. Add the two like fractions:
    486/126 + 196/126 = 486 + 196/126 = 682/126
  5. 682/126 simplified gives 341/63
  6. So, 27/7 + 28/18 = 341/63
    In mixed form: 526/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com