[tex]\sf \: 4 \div \frac{1}{2}[/tex]
[tex]\sf\frac{4}{1} \times \frac{2}{1} [/tex]
[tex]\sf \frac{4}{1} \times \frac{2}{1} = \frac{8}{1} [/tex]
[tex]\sf \purple{\boxed{ = 8}}[/tex]
#CarryOnLearning
