The Reciprocal Of Eleven Sevenths Is Seven Elevenths To Maintain Equivalenc

I got stuck on this question

Solution

Yes, the product of a fraction and it’s reciprocal MUST be 1…

In this example, the reciprocal of 11/7 is 7/11 and

7/11 * 11/7 = 77/77 = 1

IN general:

a/b * b/a = ab/ab = 1