4 1/3 : 5 1/6
To divide fractions, you first must find the improper version of each (4 1/3 = 13/3; 5 1/6= 31/6)
Now you have 13/3 : 31/6.
Since to divide fractions, you find the reciprocal of the second number in the equation and multiply it by the first number(the reciprocal is when the numerator and denominator is switched)
Meaning that to solve this you need to multiply 13/3 * 6/31
Meaning that the answer is the first one