Tema #8. Multiplicación de fracciones. Lesson Slides

4 Slides • 2 Questions

1

Tema #8. Multiplicación de fracciones.

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Ejemplo #1.

Hallamos
$\frac{4}{5}\ de\ \ \frac{3}{4}$
$\frac{4\ x\ 3}{5\ x\ 4}=\frac{12}{20}$
Simplificamos a su mínima expresión: $\frac{6}{10}=\ \frac{3}{5}$

4

Multiple Choice

Calcula

\frac{2}{3}\ de\ \frac{1}{8}

1

$\frac{16}{3}$

2

$\frac{3}{11}$

3

$\frac{2}{24}$

5

Hallar

\frac{2}{5}\ de\ 10

Metodo I: Buscamos primero $\frac{1}{5}\ de\ 10$ aplicamos fracción de un nº.
$\frac{1}{5}x10=\ 10\div5+1=2$
entonces $\frac{2}{5}de\ 10\ =\ 4$
Metodo 2:
$\frac{2}{5}x\ 10=\ \frac{2}{5}x\ \frac{10}{1}=\ \frac{20}{5}=simplifico\ =\ 4$

6

Multiple Choice

$\frac{2}{6}\ de\ 18.$

1

$\frac{36}{108}$

2

$\frac{20}{6}$

3

$3$

4

$6$

Tema #8. Multiplicación de fracciones.

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