Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 35/30 and 12/9

1st number: 1 5/30, 2nd number: 1 3/9

35/30 + 12/9 is 5/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 9 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    35/30 = 35 × 3/30 × 3 = 105/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    12/9 = 12 × 10/9 × 10 = 120/90
  4. Add the two like fractions:
    105/90 + 120/90 = 105 + 120/90 = 225/90
  5. 225/90 simplified gives 5/2
  6. So, 35/30 + 12/9 = 5/2
    In mixed form: 21/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com