Instructional Video
Khan Academy

Khan Academy: Adding Fractions With Like Denominators

3rd - 5th Standards
Sal adds two fractions with like denominators; 3/15+7/15.
Instructional Video
Khan Academy

Khan Academy: Adding Fractions With Like Denominators

3rd - 4th
Video tutorial teaches how to add fractions with like denominators. [3:17]
Instructional Video
Khan Academy

Khan Academy: Adding Fractions With Like Denominators

4th
Sal Khan adds fractions with like denominators.