Step 1 :\(f(1)=\frac{3+5+8}{1-1+4}=\frac{16}{4}=4\)
Step 2 :\(g(1)=1-1=0\)
Step 3 :\(f(g(1))+g(f(1))=f(0)+g(4)\)
Step 4 :\(g(4)=4-1=3\)
Step 5 :\(f(0)=\frac{0+0+8}{0+0+4}=2\)
Step 6 :\(f(0)+g(4)=2+3=\boxed{5}\)