i don't think that the answer in the book is right for this one

i know that you have to times it by the reciprocal

the non-reduced answer that i got is:

the only way that i can think to reduce this is by dividing the top and bottom by 5 but that leaves 9 on the top and 12 on the bottom which can be reduced further.

also

the answer in the back of the book is

is this the correct answer??

how do you get it if it is.