Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/12 and 45/90

8/12 + 45/90 is 7/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    8/12 = 8 × 15/12 × 15 = 120/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    45/90 = 45 × 2/90 × 2 = 90/180
  4. Add the two like fractions:
    120/180 + 90/180 = 120 + 90/180 = 210/180
  5. 210/180 simplified gives 7/6
  6. So, 8/12 + 45/90 = 7/6
    In mixed form: 11/6

MathStep (Works offline)

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

Related:

© everydaycalculation.com