It sounds like you've reached the typical weight loss plateau stage. My suggestion is to changing your diet to kick start the weight loss. It worked for me.
Most likely you've hit a plateau... Try changing up your routine - increase your calories by a couple hundred for a few days, then decrease by a couple hundred calories. Also do the same with your exercise.. change up your routine as your body has gotten used to it and it's no longer a challenge. Do something new, increase/decrease the intensity of your workout, etc.