4m old nursing less and more interested in food

Al

We got the ok to introduce food at my sons 4m checkup he will soon be 5m and recently he is nursing less only time he nurses is with nap time and bedtime through out the day when we eat he gets very angry he try’s grabbing for our food he opens and closes his mouth as if he is eating and when I do give him puréed baby foods he is very content I’m just worried he isn’t getting enough milk especially as he’s not really eating for nutrition right now . Any other baby’s do this or going through this ?