D+F:M=

The expression you provided, "D + F : M", seems to involve a combination of addition and division. To clarify:

• "D + F" signifies the addition of D and F.
• "D + F : M" is interpreted as (D + F) / M, meaning that the sum of D and F is divided by M.

If you want to express it mathematically, it would look like this:

\[ \frac{D + F}{M} \]

If you need any specific calculations or further clarification on this expression or its application, please provide the values for D, F, and M, and I can assist you with that.