Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/12 and 75/90

7/12 + 75/90 is 17/12.

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,
    7/12 = 7 × 15/12 × 15 = 105/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    75/90 = 75 × 2/90 × 2 = 150/180
  4. Add the two like fractions:
    105/180 + 150/180 = 105 + 150/180 = 255/180
  5. 255/180 simplified gives 17/12
  6. So, 7/12 + 75/90 = 17/12
    In mixed form: 15/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com