Subtract 1/3 from both sides of the equation and you get a= 5/4 - 1/3. Then, simplify the right side of the equation and you get a= 11/12. Hope this helped!
You would have to do... 45 divided by six you woukd get 7 3/6 when you sinplify that you get 7 1/2 if you want to turn that into a decimal you would have to do 1.00 divided by 2 and you would get 7.5