Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/2 and 42/27

1st number: 3 1/2, 2nd number: 1 15/27

7/2 + 42/27 is 91/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 27 is 54

    Next, find the equivalent fraction of both fractional numbers with denominator 54
  2. For the 1st fraction, since 2 × 27 = 54,
    7/2 = 7 × 27/2 × 27 = 189/54
  3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
    42/27 = 42 × 2/27 × 2 = 84/54
  4. Add the two like fractions:
    189/54 + 84/54 = 189 + 84/54 = 273/54
  5. 273/54 simplified gives 91/18
  6. So, 7/2 + 42/27 = 91/18
    In mixed form: 51/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com