Calculating Ratios?

[Reldar]

Ratio calculation is simple right? Well I need help.

Well for my college coursework I have been asked to:

j) Calculate the ratio for each category in its simplest form.

Hardware: £497.92
Peripherals: £111.79
Software: £170.75

This is the only information I have been given.
I don't understand how I am supposed to simplify these costs into a ratio when they cannot be broken down.

Can you use decimal ratios?
Such as: 0.22 : 0.34 : 1

I would appreciate any guidance. Thank you.

 

[RomanNose]

Just divide by the smallest number which is 111.79
So you get 4.5:1:1.5 then it looks neater if you put them as integers
9:2:3