namely, how many times does 1/4 go into 7/8?
[tex] \bf \cfrac{7}{8}\div \cfrac{1}{4}\implies \cfrac{7}{8}\cdot \cfrac{4}{1}\implies \cfrac{7}{1}\cdot \cfrac{4}{8}\implies \cfrac{7}{1}\cdot \cfrac{1}{2}\implies \cfrac{7}{2}\implies 3\frac{1}{2} [/tex]