Question

Rút gọn các phân số.

Answer 1

a) $\frac{{35}}{{60}} = \frac{{35:5}}{{60:5}} = \frac{7}{{12}}$

b) $\frac{{14}}{{18}} = \frac{{14:2}}{{18:2}} = \frac{7}{9}$

c) $\frac{{15}}{{48}} = \frac{{15:3}}{{48:3}} = \frac{5}{{16}}$

d) $\frac{{27}}{{18}} = \frac{{27:9}}{{18:9}} = \frac{3}{2}$

e) $\frac{{90}}{{70}} = \frac{{90:10}}{{70:10}} = \frac{9}{7}$

Answer 2

a: \(\dfrac{35}{60}=\dfrac{35:5}{60:5}=\dfrac{7}{12}\)

b: \(\dfrac{14}{18}=\dfrac{14:2}{18:2}=\dfrac{7}{9}\)

c: \(\dfrac{15}{48}=\dfrac{15:3}{48:3}=\dfrac{5}{16}\)

d: \(\dfrac{27}{18}=\dfrac{27:9}{18:9}=\dfrac{3}{2}\)

e: \(\dfrac{90}{70}=\dfrac{90:10}{70:10}=\dfrac{9}{7}\)