Marty has saved $63. He spent $3 on a video rental. Write a ratio as a fraction in simplest form to represent what portion of his savings he has left.

A. [tex]\frac{60}{63}[/tex]

B. [tex]\frac{3}{63}[/tex]

C. [tex]\frac{20}{21}[/tex]

D. [tex]\frac{1}{21}[/tex]