Rewrite Division to Identify an Equivalent Expression

The video tutorial explains how to solve a standardized math test question about equivalent expressions. It focuses on dividing by fractions and introduces the concept of the reciprocal. The method 'keep change flip' is used to transform division into multiplication, making it easier to solve the expression 40 / 1/4. The tutorial concludes by demonstrating the solution, which is 40 * 4, resulting in the equivalent expression.

How do you find the reciprocal of a fraction?

What is the final equivalent expression obtained from 40 / 1/4?