Hi, sorry but I'm currently having a block and have no idea how to solve this. Can anyone show me how: (1/2)2/3w11/3w22/3y + 21/3w11/3w22/3y = 3[(w1w22)/4]1/3y my main problem is how you get 3/41/3 from (1/2)2/3+21/3 Thanks in advance!