Final answer:
To evaluate 2/4-(-1/6), simplify -(-1/6) to 1/6, then subtract 1/6 from 2/4 to get 1/3.
Step-by-step explanation:
To evaluate the numerical expression 2/4-(-1/6), we need to follow the order of operations, which is PEMDAS.
First, we simplify the expression inside the parentheses: -(-1/6) = 1/6.
Then, we perform the subtraction: 2/4 - 1/6 = 3/6 - 1/6 = 2/6 = 1/3.