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Basic Mathematics

Adding and Subtracting Fractions can be a difficult task when first introduced to the concept. Finding the Lowest Common Denominator is the key to success, especially when Subtracting Fractions with Unlike Denominators. Become an expert at Adding Mixed Numbers and Subtracting Mixed Numbers from Fractions. Covering introductory concepts in Adding and Subtracting Fractions will help provide a solid foundation as competencies are acquired on more complex levels.

- Adding Fractions with Like Denominators
- Adding Fractions with Like Denominators, Regrouping
- Finding the Lowest Common Denominator
- Adding Fractions with Unlike Denominators
- Adding Fractions with Unlike Denominators Regrouping
- Subtracting Fractions with Like Denominators
- Subtracting Fractions with Like Denominators Regrouping
- Subtracting Fractions with Unlike Denominators
- Subtracting Fractions with Unlike Denominators Regrouping
- Adding Mixed Numbers
- Subtracting Mixed Numbers
- Adding Mixed Numbers and Fractions
- Subtracting Fractions from Mixed Numbers
- Subtracting Mixed Numbers from Fractions

Study fundamental topics in college-level algebra with emphasis on application.

Grasp core concepts of statistics such as probability distributions, approximations, and hypothesis-testing.

Pathways are a sequence of tutorials that help you learn a whole subject area, one concept at a time. Choose from multiple teachers and teaching styles.

The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 25 of Sophia's online courses for college credit. These courses are eligible to transfer to many different colleges and universities.