[tex] \frac{20}{3} [/tex]
[tex] \frac {20}{3} [/tex] as a mixed number.
First, divide the numerator by the denominator.
[tex]20 \div 3 [/tex]
[tex] = 6 \: R2[/tex]
Then, write the whole number value and use the remainder as the numerator over the denominator. As we all know the denominator won't change.
[tex]\large\boxed{\sf{= 6 \frac{2}{3}}}[/tex]