I'm fairly new to everything, but my understanding is that gumpaste can be rolled a lot thinner and used more delicately, however, you probably wouldn't want to eat it. I'm thinking it also dries better and is more sturdy. I'm sure you'll get answers from those more experienced!
I'm noticing that on some cakes, people make some items out of gumpaste, some out of fondant. I've only used fondant. Why would you use gumpaste for some? What are the advantages/disadvantages of each?
You cant acheive some things with fondant that you can with gum paste. Fondant can be made into modeling fondant by adding some gum paste to it but I dont find that you can get a lot done with it. Im in Jamaica and humidity is a huge factor for us. Gum paste is used for detailed stuff that you want to remain firm. I only use fondant to cover cakes and make swags with it. I use gum paste for my flowers and even my garett frills. Hope this helped.
I think they're both just as easy to work with........kinda similar in the way they feel (like play dough)......but gumpaste dries much quicker and can like was said above be rolled much thinner, in order to make flowers and things....some people mix 50/50 gumpaste and fondant and this works well too...gives you a little more playing time and it dries much firmer than just fondant does.
What is the difference between the two? Which one is easier to work with?
the differnce between the two. in terms of ingredients here goes:
Fondant
Icing Sugar Water Gelatine Shortening Glycerine
Gum Paste
Icing Sugar
Water
Clucose
Gelatine
Corn starch
Gum Tragacanth
Liquid Glucose
Shortening
As you can see there are some common ingredients. The differnce though is the gums that are in the gum paste. That makes is harden. There are applications for both. You wouldnt cover a cake with gum pasre. 
Gum paste is used for flowers and stuff that you cant get done that well with fondant. Hope this helps.
Sorry to keep coming back to this topic . . . Someone stated that you shouldn't eat gumpaste however I've noticed that people (including antonia74 in her tutorial) use it to add small details such as flowers to cookies. Do these need to be removed before eating the cookies? Can gum paste be eaten or not. Thanks for the help!
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