Coming Out To My Brother

So I'm bi and I'm out to all of my immediate family except my older brother. Him and my parents are lds (Mormons) and he recently just got home from a lds mission. My parents and my sisters have been fairly accepting, but I'm unsure how my brother will react because he is so religious. For a while now I've felt like it's time to just tell him, but I don't know how to do it because it's scary. Does anyone have any advice?