A 180-pound man went on a diet and lost 8 3/4 pounds the first month and 7 1/2 pounds the second month what was his weight after months? (Hint: Add the two losses and then .subtract from starting)

180 - 8 3/4 - 7 1/2 = 
180-8-7-3/4 -2/4 = 
165 - 5/4=
165 - 1 1/4= 
163 3/4

:)