Answer
$\frac{1}{2}$.
Work Step by Step
3 cups to 3 pints.
(3 cups)/(3 pints)
Now let’s first convert pint into cup. As 1 pint is 2 cups. Multiply denominator by 2.
(3 cups)/(3 pints)×(1 pint)/(2 cups)= 3/6= (3 ÷ 3)/(6 ÷ 3)= $\frac{1}{2}$.
Ratio in its lowest term is $\frac{1}{2}$.