Question

Quanto fica o número 5+0,777... Em fração??

Answer 1

Olá Miriam!

$\\ \mathsf{5 + 0,777... =} \\\\ \mathsf{5 + \dfrac{7}{9} =} \\\\\\ \mathsf{\dfrac{5}{1/9} + \dfrac{7}{9/1} =} \\\\\\ \mathsf{\dfrac{5 \cdot 9 + 7 \cdot 1}{9} =} \\\\\\ \boxed{\mathsf{\dfrac{52}{9}}}$