Is fasting accepted from someone who does not pray?

One should never abandon prayers as God and the Prophet (peace and blessings be upon him) have made this ordinance clear. The Prophet (peace and blessings be upon him) said: “The covenant that distinguishes between us and them [non-Muslims] is prayer. So, whoever abandons it has disbelieved.” God the Almighty says: “Then is it only a part of the Book that ye believe in and do ye reject the rest? But what is the reward for those among you who behave like this but disgrace in this life” [2: 85].
Scholars have remained silent on the issue on whether or not a person’s fast is accepted, as this is left to God the Almighty. We hope that God accepts the fast of all those who fast, even if the person who prays has a better chance of having his fast accepted than the one who does not.
The fast of a person who does not pray is sound since prayer is not a condition for fasting. However, a person who does not pray exposes himself to grave danger because prayer is one of the pillars of Islam and it is a major sin to neglect it. Whoever does not pray must turn to God and repent with sincerity.
And God the Almighty knows best.