1/2=0.5, or one half.
So, because 3 is half of 6, it is equivalent to 1/2.
This is true for 4/8 and 6/12 as well, as 4 is half of 8 and 6 is half of 12.
But 6 is not half of 10, so it is not equivalent to 1/2.
The answer is 6/10 is not equivalent to 1/2.