Word Problems Involving Addition of Fractions

This video tutorial teaches how to solve word problems involving the addition of fractions with unlike denominators by using a number line. It highlights common mistakes, such as incorrectly adding numerators and denominators, and demonstrates how to visualize fractions on a number line. Two example problems are provided: one involving the addition of border widths and another calculating the total distance Pam walks. The lesson emphasizes the importance of correctly dividing the number line to match the denominators of the fractions being added.

What is a common mistake when adding fractions with unlike denominators?

How can number lines be used to visualize fractions?

What is the total width of Peter's picture border if it has a 2/3 inch red border and a 1/6 inch green border?

How far does Pam walk in total if she walks 1/2 mile to school and 1/4 mile to the store?

Explain how to add 1/2 and 1/4 using a number line.