45:6

The expression \( 45:6 \) represents a ratio. To simplify it, you can divide both numbers by their greatest common divisor (GCD).

The GCD of 45 and 6 is 3.

Now, divide both numbers by 3:

\[ \frac{45}{3} : \frac{6}{3} = 15 : 2 \]

So, \( 45:6 \) simplifies to \( 15:2 \).

If you are looking for the decimal form, it equals \( 7.5 \).

Please let me know if you need further assistance!