5 1/3-(1/10+2/5):1/25

5 1/3 – (1/10 + 2/5) : 1/25
5 1/3 – (1/10 + 4/10) : 1/25
5 1/3 – 5/10 : 1/25
5 1/3 – 5/10 x 25/1
5 1/3 – 125/10
5 1/3 – 12 1/2
5 2/6 – 12 3/6
-7 1/6