Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Subtracting Mixed Numbers 2

3rd - 8th Standards
This video explains how to subtract two mixed numbers by converting them to improper fractions. Practice problems are available. [3:59]
Instructional Video
Khan Academy

Khan Academy: Subtracting Mixed Numbers Word Problem

3rd - 8th Standards
This video explains how to subtract two mixed numbers in the context of a word problem.