0.6667
Well, darling, half a cup divided by 3 is approximately 0.1667 cups. So if you're trying to split that half cup into three equal parts, you're looking at around 2 1/2 tablespoons each. Just remember, math doesn't have to be a drag, sugar!
3 3/4 tablespoons is 15/4 tablespoons; 1/2 that is 1/2 times 15/4 = 15/8 tablespoons or 1 and 7/8 tablespoons
0.75
3 divided by 4 plus 1 divided by 2 minus 2 divided by 3
0.6667