Question

ADD THE FOLLOWING RATIONAL NUMBER 3/11 AND -5/12

Answer 1

We have

`(3)/(11)+(-(5)/(12))`

Using the law a signs

`(3)/(11)-(5)/(12)`

Then we need to have a common denominator, we will use lcm

`(36-55)/(132)`
`-(19)/(132)`

ANSWER

-19/132