Renaming Fractions: Why Re-Name Fractions?
This clip explains that renaming fractions in higher terms is essential for adding, subtracting, or comparing two or more fractions. "On the other hand," the clip continues, "reducing fractions is mostly a matter of convenience."
Using the Least Common Denominator to Solve an Equation
Review of the procedure for solving equations that contain rational expressions.
Adding Fractions with Different Denominators: Summary: Adding Fractions with Different Denominators
This clip reviews the topic of adding fractions with different denominators. It explores three ways this can be done, including writing the multiples of each denominator until a common multiple is found; multiplying the original denominators; and fi...
Adding Fractions with Different Denominators: Shortcut for Common Denominators, A
This clip explains a very simple rule: To add two fractions with different denominators, simply multiply through the first fraction by the denominator of the second, and multiply through the second fraction by the denominator of the first. This will...