expand this : -5/6 (9b-12)

Expanding the expression -5/6 (9b-12), we distribute -5/6 to both terms inside the parentheses:

(-5/6)(9b) + (-5/6)(-12)

Simplifying each term individually:

-45b/6 + 60/6

Since both terms have a denominator of 6, we can add them:

(-45b + 60)/6

Simplifying the numerator:

-45b + 60

Therefore, -5/6 (9b-12) is equivalent to -45b + 60.