Respuesta :

pretty sure the awnser is letter b
12[tex] \frac{1}{3} [/tex] = 12[tex] \frac{2}{6} [/tex]
7[tex] \frac{1}{2} [/tex] = 7[tex] \frac{3}{6} [/tex]

[tex]12 \frac{2}{6} - 7 \frac{3}{6} = 4 \frac{5}{6} [/tex]