Online College Courses for Credit

Adding Fractions with Unlike Denominators

Adding Fractions with Unlike Denominators

Author: Rose Hartnett

Use three different strategies for finding a common denominator in order to add fractions

Lesson includes finding common multiples of denominators and using the Quick Common Denominator (or multiplication rule).

See More

Try Our College Algebra Course. For FREE.

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to many different colleges and universities.*

Begin Free Trial
No credit card required

29 Sophia partners guarantee credit transfer.

311 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 27 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.