in one smowstorm there was 3 2/5 inches of snow ,on the ground. In a second strom, 5.65 inches were added to what was already on the ground . How much total snow was on the ground if none melted between storms?

a) 2.25 in
b) 9.05 in
c) 1.66 in
d) 5.21 in

3.4 + 5.65 = ?