Given a number a, it’s reciprocal is 1/a.
Finding reciprocal of a number can be described as dividing 1 by that number. Reciprocal of a fraction involves exchanging denominator with numerator. For example reciprocal of 3/7 is 7/3.
Reciprocal of 9/2 is 2/9 or 2/4.5
Exercise
Find the reciprocal of :
(a) 3/25 b(5/16) (24/250)