Well, it's hard to tell with the "...". That looks like an irrational number which has no a/b representation. By definition an irrational number cannot be represented as the ratio of two integers but if we truncate the decimals then you can try 322445/6448.
Close enough, I guess.
tch appears to be correct here: https://forums.nesdev.com/viewtopic.php?p=3783&sid=8f6cf5258eebe0aef7691ddaa72a4f8a#p3783
Though, on the other hand, that fraction doesn't quite evaluate to the exact value given by TASVideos (http://tasvideos.org/PlatformFramerates.html), and I have seen a couple of different answers out there, so I'm not entirely sure which is the actual correct answer...
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