Answer:
(a) 5/12
Explanation:
to solve this problem you can make all fractions equivalent with 12 as the denominator
a) 5/12
b) 2/3 = 8/12 Multiply top and bottom by 4
c) 5/6 = 10/12 Multiply top and bottom by 2
d) 3/4 = 9/12 Multiply top and bottom by 3
if you compare numerators, the smallest one is the closest to zero, which would be (a) 5/12