Reciprocate used technically is a synonym for "oscillate" - or in the widest sense of the word: "turn upside-down".
Let a fraction perform headstand ...
Formula: How to calculate the Reciprocal?
The reciprocal of a fraction is obtained by swapping the numerator and denominator. The numerator becomes the denominator and the denominator becomes the numerator.
The reciprocal of 3/7 is 7/3.
Here you can practice online to calculate the reciprocal.
Video: What Is a Reciprocal's Use in Math?
Finally, a video about: What Is a Reciprocal's Use in Math?: