Divide the number of teaspoons by the number of cups.
[tex] \dfrac{4~teaspoons}{\frac{2}{3}~cup} = [/tex]
[tex] = \dfrac{4}{1} \div \dfrac{2}{3}~\dfrac{teaspoons}{cup} [/tex]
[tex] = \dfrac{4}{1} \times \dfrac{3}{2} ~\dfrac{teaspoons}{cup} [/tex]
[tex] = 6 ~\dfrac{teaspoons}{cup} [/tex]
