How do i recite lalitha sahasra namah fully with devotion?

i had been reciting laithasahasra namam for the past two months.But i dont get the concentration till the end and i just try to finish it somehow.am 24 yrs old working woman with a 8 month baby.i really want to chant it daily as i believe in god and the laitha sahara namam.Pls advice on how to get concentation through out the book