22/(5 7/13+2 6/13)-(5 1/4-3 3/4)/5=
22/(5 7/13+2 6/13)-(5 1/4-3 3/4)/5= 2 9/20
22/ 8 - 3/10
2,75 - 3/10
11/4 - 3/10
49/20 = 2 9/20