Question 1169455
see my worksheet.


<img src = "http://theo.x10hosting.com/2020/111001.jpg">


you needed to put everything under a common denominator.


you do that by multiplying 1/(a+b) by 2/2 to get 2/(2*(a+b))


once you do that, you just add the numerators together under the common denominator of 2*(a+b).