[tex] 9\frac{3}{13} [/tex] = [tex] \frac{120}{13} [/tex]
[tex] 4\frac{7}{12} = \frac{55}{12} [/tex]
[tex] 9 + \frac{3}{13} - 4 - \frac{7}{12} [/tex]
9 - 4 = 5 ; 4 - 9 = 5
[tex] \frac{36}{156} - \frac{91}{156} [/tex] = [tex] -\frac{55}{156} [/tex]
Your answer might be [tex]4 \frac{101}{156} [/tex]