3 2/5-1 11/15 срочно надо✌

Question

3 2/5-1 11/15 срочно надо✌

Answer 1

= 17/5 - 26/15 = 51/15 - 26/15 = 25/15 = 5/3 = 1целая 2/3

Answer 2

3 2/5 - 1 11/15= (3*5+2)/5 - (1*15+11)/15 = (15+2)/5 - (15+11)/15 = 17/5 - 26/15
Приводим к общему знаменателю, домножая 17/5 на 3
51/15-26/15=25/15=5/3=1 2/3
Ответ:1 2/3