Answer:
[tex]\frac{19}{12} b + \frac{7}{12}[/tex]
Step-by-step explanation:
Find the common denominator of 4, 3, and 12. It is 12.
1/4 = 3/12
4/3 = 16/12
7/12 = 7/12
[tex]\frac{3}{12} b +\frac{16}{12} b +\frac{7}{12}[/tex]
[tex]\frac{19}{12} b + \frac{7}{12}[/tex]