Gonzalez Sherman
08/16/2024 · Primary School
2. Realiza las siguientes divisiones. Si es posible, simplifica. \( \begin{array}{ll}\text { a. } 6 \div \frac{1}{4} & \text { b. } \frac{8}{15} \div 3 \\ \text { c. } \frac{5}{16} \div \frac{1}{9} & \text { d. } \frac{7}{4} \div \frac{6}{5} \\ \text { e. } 3 \frac{1}{4} \div \frac{7}{8} & \text { f. } 2 \frac{7}{9} \div 3 \frac{2}{5}\end{array} \)
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Step-by-step Solution
Vamos a realizar las divisiones y simplificarlas cuando sea posible.
### a. \( 6 \div \frac{1}{4} \)
Para dividir por una fracción, multiplicamos por su inversa:
\[
6 \div \frac{1}{4} = 6 \times 4 = 24
\]
### b. \( \frac{8}{15} \div 3 \)
Dividimos la fracción por un número entero:
\[
\frac{8}{15} \div 3 = \frac{8}{15} \div \frac{3}{1} = \frac{8}{15} \times \frac{1}{3} = \frac{8 \times 1}{15 \times 3} = \frac{8}{45}
\]
### c. \( \frac{5}{16} \div \frac{1}{9} \)
Multiplicamos por la inversa de la fracción:
\[
\frac{5}{16} \div \frac{1}{9} = \frac{5}{16} \times 9 = \frac{5 \times 9}{16} = \frac{45}{16}
\]
### d. \( \frac{7}{4} \div \frac{6}{5} \)
Multiplicamos por la inversa de la fracción:
\[
\frac{7}{4} \div \frac{6}{5} = \frac{7}{4} \times \frac{5}{6} = \frac{7 \times 5}{4 \times 6} = \frac{35}{24}
\]
### e. \( 3 \frac{1}{4} \div \frac{7}{8} \)
Primero convertimos el número mixto a una fracción impropia:
\[
3 \frac{1}{4} = \frac{13}{4}
\]
Ahora realizamos la división:
\[
\frac{13}{4} \div \frac{7}{8} = \frac{13}{4} \times \frac{8}{7} = \frac{13 \times 8}{4 \times 7} = \frac{104}{28}
\]
Simplificamos:
\[
\frac{104 \div 4}{28 \div 4} = \frac{26}{7}
\]
### f. \( 2 \frac{7}{9} \div 3 \frac{2}{5} \)
Convertimos ambos números mixtos a fracciones impropias:
\[
2 \frac{7}{9} = \frac{25}{9}, \quad 3 \frac{2}{5} = \frac{17}{5}
\]
Ahora realizamos la división:
\[
\frac{25}{9} \div \frac{17}{5} = \frac{25}{9} \times \frac{5}{17} = \frac{25 \times 5}{9 \times 17} = \frac{125}{153}
\]
No se puede simplificar más.
### Resumen de resultados:
- a. \( 24 \)
- b. \( \frac{8}{45} \)
- c. \( \frac{45}{16} \)
- d. \( \frac{35}{24} \)
- e. \( \frac{26}{7} \)
- f. \( \frac{125}{153} \)
Quick Answer
a. 24
b. \( \frac{8}{45} \)
c. \( \frac{45}{16} \)
d. \( \frac{35}{24} \)
e. \( \frac{26}{7} \)
f. \( \frac{125}{153} \)
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