Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/30 and 28/90

12/30 + 28/90 is 32/45.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    12/30 = 12 × 3/30 × 3 = 36/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    28/90 = 28 × 1/90 × 1 = 28/90
  4. Add the two like fractions:
    36/90 + 28/90 = 36 + 28/90 = 64/90
  5. 64/90 simplified gives 32/45
  6. So, 12/30 + 28/90 = 32/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com