In this lesson on the arithmetic of fractions, we learn how to subtract proper and improper fractions, as well as mixed numbers. The instructor emphasizes the importance of converting mixed numbers to improper fractions before subtracting. We see examples of subtraction using LCD and adding the opposite. The lesson also covers how to subtract on a calculator, and ends with a series of practice exercises.
Concepts covered: Subtraction of Improper and Proper Fractions and also Mixed Numbers.