(16 3/8 - 5 3/5) : 5=

(16 3/8-53/5):5=(16 15/40-5 24/40):5=(15 55/40-5 24/40):5= =10 31/40:5=431/40*1/5=431/200=2 31/200

= (16 15/40 - 5 24/40) :5= (15 55/40 - 24/40):5=10 31/40 :5= 2 31/40*5 =2 31/200 czyli 2 155/1000 = 2,155