[tex] \frac{6}{2}=3 [/tex]
Here there is no mixed number. This is because you can evenly divide 6 by 2. Mixed numbers come into play, when you can't divide the numerator evenly by the denominator. For example, [tex] \frac{9}{6} [/tex] would be [tex]1 \frac{1}{2} [/tex].