Answer and Step-by-step explanation:
[tex]Greetings![/tex]
[tex]Let's~answer~your~question![/tex]
[tex]To,~convert~a~mixed~fraction~to~a~improper~fraction,~we~first~must,~by~ multiplying\\ the ~denominator~by~ the~ whole ~number~ part~and~ add~ the~ numerator.\\[/tex]
[tex]\bold{We~have~it~as:}[/tex]
[tex]\frac{21}{2}[/tex]
