Complex sentence: Current statistics published by the Church of Jesus Christ of Latter-day Saints at show 14.8 million members of that denomination, in addition to 250,000 members of the Community of Christ, and negligible numbers of members of other denominations.
Split into simpler sentences: Current statistics published by the Church of Jesus Christ of Latter-day Saints show 14.8 million members of that denomination. This total membership number includes these 14.8 million, as well as 250,000 members of the Community of Christ, and negligible numbers of members of other denominations.