Just looking at this problem, assuming nothing, we follow the order of operations:
2*y /5 *x /4 /6 *x
Numerator: 2y*5*x*x = 10x2y
Denominator: 5*4*6 = 120
So it would simplify to x2y/12
But if, for example, you mean that we divide by (6x), then that changes things.