You would use the KCF way and your answer would be 21/8

Lmhenry0728

To divide fractions, simply flip the second fraction around and multiply instead of divide:
[latex] \frac{3}{ \frac{4}{\frac{2}{7}}} = \frac{3}{4} * \frac{7}{2} [/latex]
= [latex] \frac{21}{8} [/latex]