(1.2:36+1.2:0.25-1 5/16):169/24

=(1,2*(1/36+1/ 25/100)- 1 5/16) : 169/24=
(1,2*(1/36+100/25) - 21/16) : 169/24=
(12/10* 4 1/36 - 21/16) : 169/24=
(12/10 * 145/36 - 21/16) : 169/24=
(29/2*3 - 21/16) : 169/24 =
(29/6-21/16) : 169/24=
(29*8/48 - 21*3/48) : 169/24=
(232/48 - 63/48) : 169/24=
169/48 : 169/24=
169/48 * 24/169=
= 24/48= 1/2= 0,5