In mathematics, a reciprocal is simply a fraction that has been flipped upside-down. Discover how the reciprocal of the number seven is seven over one with help from a math teacher in this free video series on math help and lessons.
Expert: Jimmy Chang
Bio: Jimmy Chang has been a math teacher at St. Pete College for nearly a decade. He has a master's degree in math, and his specialties include calculus, algebra, liberal arts, math and trigonometry.
Filmmaker: Christopher Rokosz