$\frac{\sqrt2 + \sqrt6 + \sqrt{10}}{\sqrt3 + 3 + \sqrt{15}}= ?$

Question

(√2 + √6 + √10) : (√3 + 3 + √15) = ?

Answer 1

$$\frac{\sqrt2+\sqrt6+\sqrt{10}}{\sqrt3+3+\sqrt{15}}=\frac{\sqrt2(1+\sqrt3+\sqrt5)}{\sqrt3(1+\sqrt3+\sqrt5)}=\ldots$$