Question

How do you simplify `1 - (x+1)/(x+2)`?

Answer 1

`1/(x+2)`

Explanation:

Take the LCM of both fractions

`(x+2)/(x+2) - (x+1)/(x+2)`

Join the two fractions

`(x+2-x-1)/(x+2)`

Cancel the two `x` and take the difference

`1/(x+2)`