2_ complete los espacios basios para obtener fracciones equivalentes
[tex] \frac{3}{4 } = \frac{?}{100} = \frac{15}{?} [/tex]
[tex] \frac{3}{6} = \frac{?}{36} = \frac{36}{?} [/tex]
[tex] \frac{18}{20} = \frac{9}{?} = \frac{?}{100} [/tex]
[tex] \frac{5}{?} = \frac{1}{7} = \frac{?}{21} [/tex]
[tex] \frac{4}{?} = \frac{1}{3} = \frac{8}{?} [/tex]
[tex] \frac{8}{?} = \frac{4}{5} = \frac{?}{15} [/tex]
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