Resposta :
[tex] \frac{105}{3} = \frac{35}{1} \\\\
\frac{63}{105} = \frac{21}{35} = \frac{3}{5} \\\\
\frac{30}{35} = \frac{6}{7} \\\\
\frac{20}{40} = \frac{1}{2} [/tex]
Obtenha a forma irredutivel das frações:
105 – 3
63 -- 3
63__
105
30_
35
20_
40