Question

Помогите пример умоляю!!
Помогите пример
(3/7-1/21)*14целых-1/6=

Answer 1

Так-с.
1) 3/7-1/21=9/21-1/21=8/21
2) 8/21•14/1=16/3= 5 1/3
3) 16/3-1/6= 96/18-3/18 = 93/18 = 5 3/18 = 5 1/6