Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/36 and 8/42

30/36 + 8/42 is 43/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 42 is 252
  2. For the 1st fraction, since 36 × 7 = 252,
    30/36 = 30 × 7/36 × 7 = 210/252
  3. Likewise, for the 2nd fraction, since 42 × 6 = 252,
    8/42 = 8 × 6/42 × 6 = 48/252
  4. Add the two fractions:
    210/252 + 48/252 = 210 + 48/252 = 258/252
  5. 258/252 simplified gives 43/42
  6. So, 30/36 + 8/42 = 43/42
    In mixed form: 11/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com