What is the following fraction written as an equivalent fraction in simplest form?

120/144

The fraction 120/144 can be simplified by finding the greatest common divisor (GCD) of both the numerator and denominator and dividing both by it. The GCD of 120 and 144 is 24.

Then, divide 120 and 144 by 24:
120/24 = 5
144/24 = 6
Thus, the equivalent fraction in simplest form is 5/6.