Multiplicative Inverse of a Number
Reciprocal

The reciprocal of x is . In other words, a reciprocal is a fraction flipped upside down. Multiplicative inverse means the same thing as reciprocal.

For example, the multiplicative inverse (reciprocal) of 12 is and the multiplicative inverse (reciprocal) of is .

 

Note: The product of a number and its multiplicative inverse is 1. Observe that ·= 1.

 

 

See also

Inverse