Reciprocal math is simply math that involves the use of reciprocals, which are fractions that are flipped over. Find out how to use reciprocals to cross multiply 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