Fill in the sign > or = or < a. 1/4 ____ 1/7 b. 1/3 ____ 1/9 c. 1/7 ____ 1/6 d. 1/5 ____ 1/10 e. 1/11 ____ 1/7 f. 1/8 ____ one half g. 1/6 ____ one sixth h. one third ____ one twelfth