Question

Calcule as fraçoes:4/5+8/7

Answer 1

Resposta:

$\sf{ \frac{68}{35} }$

$\sf{ \frac{4}{5} + \frac{8}{7} }$

$\sf{ \frac{28 + 40}{35} }$

$\rightarrow \boxed{ \sf{ \frac{68}{35} }}$

Explicação passo-a-passo:

(espero ter colaborado)

Answer 2

Resposta:

$\textsf{Segue a resposta abaixo}$

Explicação passo-a-passo:

$\mathsf{\dfrac{4}{5}+\dfrac{8}{7} }$

$\begin{array}{rr|l}\sf5&\sf7&\sf5\\\sf1&\sf7&\sf7\\\sf1&\sf1&\!\!\!\overline{~\:\sf5\cdot7=35~}\end{array}$

$\mathsf{MMC(5,7)=35 }$

$\mathsf{ \dfrac{28}{35}+\dfrac{40}{35}}$

$\mathsf{ \dfrac{28+40}{35}}$

$\boxed{\boxed{\mathsf{\dfrac{68}{35} }}}\quad\leftarrow\textsf{resposta}~\checkmark$