Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/18 and 10/42

1st number: 1 9/18, 2nd number: 10/42

27/18 + 10/42 is 73/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 42 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 42 × 3 = 126,
    10/42 = 10 × 3/42 × 3 = 30/126
  4. Add the two like fractions:
    189/126 + 30/126 = 189 + 30/126 = 219/126
  5. 219/126 simplified gives 73/42
  6. So, 27/18 + 10/42 = 73/42
    In mixed form: 131/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com