Question

(1 3/5 + 1,8) * 1/2

Answer 1

(1 3/5+1,8)*1/2=(1,6+1,8)*0,5=3,4*0,5=1,7

Answer 2

(13/5+1.8)*1/2=(2.6+1.8)*1/2=4.4*0.5=4.9