Question

Determine o valor de uma fração composta


a) 2,1777...




B)1,42121..

Answer 1

$a)\ 2,1777...= \frac{217-21}{90} = \frac{196^{:2}}{90_{:2}} = \frac{98}{45} \\ \\ b)\ 1,42121...= \frac{1421-14}{990} = \frac{1407^{:3}}{990_{:3}} = \frac{469}{330}$