Respuesta :

Answer:

Reciprocal of 5/18 is 18/5.

5/18 x 18/5 = 90/90

                  = 1

Answer:

18/5

Step-by-step explanation:

It means that the opppsite of 5/18 which means that the number that is at the denominator while the numerator becomes denominator.

NB:it happens when dividing fractions.