Question

Find the product of reciprocal of 9/11 and the additive inverse of -18/55​

Answer 1

`(2)/(5)`

Explanation:

The reciprocal of
`(9)/(11)` is
`(11)/(9)`

The additive inverse of -
`(18)/(55)` is
`(18)/(55)` , then

`(11)/(9)` ×
`(18)/(55)` ( cancel 11 and 55 by 11 and 9 and 18 by 9 )

= 1 ×
`(2)/(5)`

=
`(2)/(5)`