a amplifica= a inmulti
[tex]\frac{3}{19} = \frac{6}{38} \\[/tex]; [tex]\frac{15}{4} =\frac{30}{8}[/tex]; [tex]\frac{14}{15} =\frac{28}{30}[/tex]; [tex]\frac{23}{45} =\frac{46}{90}[/tex];[tex]\frac{3}{25} =\frac{6}{50}[/tex]
[tex]\frac{8}{9} =\frac{24}{27}[/tex]; [tex]\frac{2}{5} = \frac{6}{15}[/tex]; [tex]\frac{4}{1} =\frac{12}{3}[/tex];[tex]\frac{11}{15} =\frac{33}{45}[/tex];[tex]\frac{24}{7} =\frac{72}{21}[/tex]
[tex]\frac{31}{5} =\frac{124}{20}[/tex];[tex]\frac{24}{25} =\frac{96}{100}[/tex];[tex]\frac{27}{20} =\frac{107}{80}[/tex];[tex]\frac{29}{51} =\frac{116}{204}[/tex];[tex]\frac{72}{34} =\frac{288}{136}[/tex]
[tex]\frac{12}{3} =\frac{60}{15}[/tex];[tex]\frac{17}{4} =\frac{85}{20}[/tex];[tex]\frac{31}{20} =\frac{155}{100} ;\frac{72}{8} =\frac{360}{40} ;\frac{9}{7} =\frac{45}{35}[/tex]
