8/1÷4/1+(20+22÷5/6)=

8/1:4/1=8*1 = 2/1= 2;
----
1*4
20+22=42= 42/1:5/6=
42*6
-------= 252/5
1 * 5
252/5+2/1=262/5=52 целых 2/5