Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/12 and 15/9

1st number: 2 6/12, 2nd number: 1 6/9

30/12 + 15/9 is 25/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 9 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    30/12 = 30 × 3/12 × 3 = 90/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    15/9 = 15 × 4/9 × 4 = 60/36
  4. Add the two like fractions:
    90/36 + 60/36 = 90 + 60/36 = 150/36
  5. 150/36 simplified gives 25/6
  6. So, 30/12 + 15/9 = 25/6
    In mixed form: 41/6

MathStep (Works offline)

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

Related:

© everydaycalculation.com