In a Young's double slit experiment, the intensities at two points, for the path difference $$\frac{\lambda}{4}$$ and $$\frac{\lambda}{3}$$ ($$\lambda$$ being the wavelength of light used) are $$I_1$$ and $$I_2$$ respectively. If $$I_0$$ denotes the intensity produced by each one of the individual slits, then $$\frac{I_1+I_2}{I_0} =$$ ______.