Complex sentence: He disagreed with the broad church approach and encouraged evangelical Christians (particularly Anglicans) to leave their existing denominations, taking the view that true Christian fellowship was only possible amongst those who shared common convictions regarding the nature of the faith.
Split into simpler sentences: He disagreed with the broad church approach and encouraged evangelical Christians (particularly Anglicans) to leave their existing denominations. He believed that true Christian fellowship was possible only amongst those who shared common convictions regarding the nature of the faith.