Answer:
0.51
Explanation:
okay I'm not good at explaining this but I'm going to try my best
put 0.15 on top of 0.36 like this
1
0.15
0.36
_____
0.51
5+6=11
3+2=5 I said 2 because 5+6=11 so you had to carry your 1
then you would just bring your 0 down cause everybody know 0+0=0 lol!