Explicación paso a paso:
Solo multiplica x1
El truco es que uses fracciones =1
Por ejemplo
[tex]1 = \frac{1}{1} = \frac{2}{2} = \frac{3}{3} = \frac{50}{50} [/tex]
1.
[tex] \frac{2}{5} = \frac{2}{5} \times \frac{8}{8} = \frac{2 \times 8}{5 \times 8} = \frac{16}{40} [/tex]
2.
[tex] \frac{1}{9} = \frac{1 \times 2}{9 \times 2} = \frac{1 \times 3}{9 \times 3} = \frac{1 \times 4}{9 \times 4} [/tex]
3.
[tex] \frac{4}{7} = \frac{4 \times 2}{7 \times 2} = \frac{4 \times 5}{7 \times 5} = \frac{4 \times 6}{7 \times 6} [/tex]
4.
[tex] \frac{15}{11} = \frac{15 \times 3}{11 \times 3} = \frac{15 \times 6}{11 \times 6} = \frac{15 \times 7}{11 \times 7} [/tex]
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Explicación paso a paso:
Solo multiplica x1
El truco es que uses fracciones =1
Por ejemplo
[tex]1 = \frac{1}{1} = \frac{2}{2} = \frac{3}{3} = \frac{50}{50} [/tex]
1.
[tex] \frac{2}{5} = \frac{2}{5} \times \frac{8}{8} = \frac{2 \times 8}{5 \times 8} = \frac{16}{40} [/tex]
2.
[tex] \frac{1}{9} = \frac{1 \times 2}{9 \times 2} = \frac{1 \times 3}{9 \times 3} = \frac{1 \times 4}{9 \times 4} [/tex]
3.
[tex] \frac{4}{7} = \frac{4 \times 2}{7 \times 2} = \frac{4 \times 5}{7 \times 5} = \frac{4 \times 6}{7 \times 6} [/tex]
4.
[tex] \frac{15}{11} = \frac{15 \times 3}{11 \times 3} = \frac{15 \times 6}{11 \times 6} = \frac{15 \times 7}{11 \times 7} [/tex]