Respuesta :

Answer: 73/4

Step-by-step explanation:

Answer:

[tex]\frac{73}{4}[/tex]

or

=[tex]18\frac{1}{4}[/tex]

Step-by-step explanation:

31/4+21/2

=[tex]\frac{31*1+21*2}{4}[/tex]

=[tex]\frac{31+42}{4}[/tex]

=[tex]\frac{73}{4}[/tex]

=[tex]18\frac{1}{4}[/tex]