Question

$4.5 - 1 \frac{1}{5}$

Answer 1

4,5- 1 1/5=
4,5- (1×5+1)/5=
4,5- (5+1)/5=
4,5-6/5=
4,5- 1,2= 3,3

Answer 2

4,5 - 1 1/5 = 4,5 - 6/5 = 45/10 - 6/5 = 45/10 - 12/10 = 33/10 = 3,3