2 per 3 x(0,72:12 per 25)+5 per 10=

2/3 x (0,72 : 12/25 ) + 5/10
= 2/3 x (72/100 : 12/25 ) + 5/10
=2/3 x (72/100 x 25/12)+5/10
=2/3 x (4/2 x 1/1 )+ 5/10
=4/2 + 5/10
=20/10+5/10
=25/10
= 2 1/2 ( bila dijadikan pecahan campuran)