First eviction- Pennsylvania

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So this tenant is now on a month to month lease- she is consistently late with rent- every other month in fact. (As of today 5 days late.) She is smoking in the house which is against her lease, she has damaged two doors. She is disruptive at night- my other tenant has called the police on her several times for loud and disruptive behavior in the middle of the night.... So she needs to GO. I don't want to serve her with a notice to evict due to failure to pay rent- I'm afraid she will simply cough up the money and be in compliance so I will have no grounds to evict her. Instead I want to simply end the month to month lease- Pennsylvania law says I must give 15 days notice to end the month to month lease but I must give her 30 days notice to vacate. 

Could use any bit of guidance/advice you have.  Thank you.