I purchased lightroom 6 for PC, can it work on my ipad?
Nope, but there is Lightroom Mobile for your iPad which can be downloaded from the app store.
However, since you have LR 6 (standalone) and not the CC subscription there will not be any cloud sync functionality between the 2.
Compare Your Options: The Differences Between Lightroom 6 vs. CC | ProDesignTools
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