First, we need to simplify each fraction separately:

3 + 1/5 = 3 + 0.2 = 3.2

1/12 + 1/3 = 0.08 + 0.333 = 0.413

2 + 1/3 = 2 + 0.333 = 2.333

3/4 = 0.75

1 + 1 = 2

1/1 = 1

2/3 = 0.666

Now, we substitute the simplified fractions back into the expression:

(3.2 + 0.413) + (2.333 + 0.75) - (2 + 0.666)

= 3.613 + 3.083 - 2.666
= 4.696

Therefore, the final answer is 4.696.