Question

Explain Reciprocal of rational number with an example​

Answer 1

The rational number b/a is called the multiplicative inverse or reciprocal of a/b and is denoted by (a/b)-1.

Note: The reciprocal of 1 is 1 and the reciprocal of -1 is -1. 1 and -1 are the only rational numbers which are their own reciprocals. No other rational number is its own reciprocal.