What's bigger 3/6 or 4/8

No one is larger that the other one because both fractions are equal. They are equal to one-half. This is calculated by either simplifying or converting it to decimal. If we try to simplify 3/6 it is equal to 1/2, same as 4/8 is equal to 1/2. In decimal, 3/6 is equal to 0.5, and 4/8 is equal to 0.5