Khan Academy
Khan Academy: Subtracting Mixed Numbers With Like Denominators
Demonstrates how to subtract two mixed numbers, where the fractions have the same denominator, by subtracting the whole numbers and then the fractions. [2:30]
Shmoop University
Shmoop: Reducing Fractions
This animation [2:59] features the mathematical concept of reducing fractions and how to perform the calculation.
Imagine Learning Classroom
Learn Zillion: Add Fractions With Tenths and Hundredths Denominators
This video explains how to add fractions with the unlike denominators of 10 and 100. [3:13]