Sure cut them, not hard at all. Ask your vet to show you. They have special clippers for animals but I use just a clipper I use on my nails.

Cut the ends and DO NOT GO PAST THE PINK PART OR THEY WILL BLEED. I have always clipped my cats nails and it's so easy. The hardest part is getting them to co-operate. With my first cat I waited for him to be sound asleep and he just laid there and let me do them. With my second Siamese he is a light sleeper so I need to take him into the bathroom and let him sit on the counter top. I pick up each paw and clip the nails. He likes that position better than holding him since he doesn't like to be held. Then with my little cat I hold her under my arm and clip her little nails before I put on her soft claws. She is a little demolition derby that scratches furniture so she has to wear claw protectors,