Question

5|6-(4|45+1|9)+9|10-(1|5+2|15)=

Answer 1

5/6-(4/45+1/9)+9/10-(1/5+2/15)
5/6-(1/5)+9/10-(1/3)
19/30+9/10-1/3
23/15-1/3
6/5 
1.2