Question

Find the sum of 3b/b+2 and 12/b+2 and express it in simplest form

Answer 1

`(3b)/(b+2)+(12)/(b+2)=(3b+12)/(b+2)\\\\\\(3b+12)/(b+2)=(3b+6+6)/(b+2)=(3b+6)/(b+2)+(6)/(b+2)=(3(b+2))/(b+2)+(6)/(b+2)=3+(6)/(b+2)`