4)
(1/6)÷2
(1/12)
5)
(1/3)÷4
(1/12)
6)
(1/4)÷2
(1/8)
A simple way to solve fraction divided by while number problems is to multiply the denominator and the whole number together, but that only works if the numerator is 1, which in this case, they were all in fact, 1s.
