Question

ajuda por favor : simplifique as fracoes abaixo ate torna-las irredutiveis


a. 30 sobre 510
b.42 sobre 36
c.48 sobre 288
d.68 sobre 170

Answer 1

a. $\frac{3}{51} = \frac{1}{17}$
b. 

Answer 2

$a) \\ \\ \dfrac{30}{510} \ \ \dfrac{\div}{\div} \ \dfrac{30}{30} \ \ => \dfrac{1}{17}$

====

$b) \\ \\ \dfrac{42}{36} \ \ \dfrac{\div}{\div} \ \dfrac{6}{6} \ \ => \dfrac{7}{6}$

====

$c) \\ \\ \dfrac{48}{288} \ \ \dfrac{\div}{\div} \ \dfrac{48}{48} \ \ => \dfrac{1}{6}$

====

$d) \\ \\ \dfrac{68}{170} \ \ \dfrac{\div}{\div} \ \dfrac{34}{34} \ \ => \dfrac{2}{5}$