EXIF Data - How to compute APEX values?

[matthias s 0]

hello, i have to use a component to extract exif data from jpg and tif files in my application. everything works fine so far. the component returns apex values as strings (formatted as fractions), e.g. 5000/100 for ShutterspeedValue or 227/32 for FocalLength. i've read in the EXIF spec that there are quite difficult formulas to be used to calculate the real values. since i'm not a math-genius i'd like to ask if someone has done this already and can point me to some c# snippets. i'm pretty desperate on this one and appreceate any help. thanks in advance.

/matthias

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