Respuesta :
Mixed number : 4/5 + 8/9 = 76/45
Simplest form : 4/5 + 8/9 = 1 31/45
Step-by-step explanation:
So, I made both of the denominators the same then added the fractions together.
[tex]\bf \cfrac{4}{5}+\cfrac{8}{9}\implies \stackrel{\textit{using the LCD of 45}}{\cfrac{(9)4~~+~~(5)8}{45}}\implies \cfrac{36+40}{45}\implies \cfrac{76}{45}\implies 1\frac{31}{45}[/tex]