Question

Tell this answer with a proper solution

Answer 1

i have done
but could not make out whether it is 11/6
or 7/6

Answer 2

3 - 11/6 - 7/15

3*6/1*6 - 11/6 - 7/15

18-11/6 - 7/15

7/6 - 7/15

35-14/30

final ans : 21/30