Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/84 and 27/18

1st number: 30/84, 2nd number: 1 9/18

30/84 + 27/18 is 13/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 18 is 252
  2. For the 1st fraction, since 84 × 3 = 252,
    30/84 = 30 × 3/84 × 3 = 90/252
  3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
    27/18 = 27 × 14/18 × 14 = 378/252
  4. Add the two fractions:
    90/252 + 378/252 = 90 + 378/252 = 468/252
  5. 468/252 simplified gives 13/7
  6. So, 30/84 + 27/18 = 13/7
    In mixed form: 16/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com