Tenant does not pay the rent over times. Should I evict him?

[Grace Fukuda]

Hello,

I purchased a single family home last November, and one of the tenants(two tenants are paying rents divided half) has been late paying his portion ever since we took the ownership.

He was late few days but paid in full until January; but extremely late(almost whole month) and did not take my contact many times until I remind the call to the other tenant. I talked to him in the middle of March how you want to sort out the payment, and he said he will pay in full. BUT never happened few times. 

In March I discounted all late fees if he pays all rent at once - but he only paid lesser than half of what he was supposed to pay. The remaining balance is still pass due. I told him what is the status later and he said he wants to make payments every Monday splitting half. I said it is not acceptable until you pay the rent in full. He agreed on the payment by today.

However, as expected, he did not take my call earlier today and did not make the payment. I asked the other tenant, B to remind him again to call him. I told him the final notice if we do not receive the full payment for the rent of April including March, we have to do something to do. 

Here is my situation - This property is my first rental property. My other tenant, B is paying the rent on time very well. However I cannot take the irresponsible tenant A anymore. Tenant B already agreed with my point. 

I wonder how to start off the conversation and move on the next step. I literally told tenant B saying "As long as I receive the remaining balance until the 5th of April, I am good." Tenant A and B do not communicate each other and even tenant B did not like the situation that he needs to deal with. This is almost my final notice and I wonder how to move forward after this. 

Any idea or approach to resolve this situation would be very appreciated.