Question

Cuanto es 4/10+5/10

Answer 1

Usa la siguiente propiedad:

`\begin{gathered} (a)/(c)+(b)/(c)=(a+b)/(c) \\ (4)/(10)+(5)/(10)=(4+5)/(10)=(9)/(10)=0.9 \end{gathered}`
`(3)/(5)+(6)/(5)=(3+6)/(5)=(9)/(5)=1.8`