1 5/6: (2/3-2/7) помогите срочняк

Question

1 5/6: (2/3-2/7) помогите срочняк

Answer 1

1 5/6: (2/3-2/7)  = 1 5/6: ((14-6)/21) = 11/6 :  8/21  =

=    11/6 * 21/8 =11*21/6*8 = 231/48 =  4  39/48