Question

[TRịnh Kim Ngân]

 Rút gọn các phân số:

a) $\frac{2}{10}=\mathrm{...................................};$ c) $\frac{5}{20}=\mathrm{...................................}$;

b) $\frac{9}{6}=\mathrm{....................................}$ d) $\frac{6}{16}=\mathrm{...................................}$

Answer 1

[Nguyễn Lê Phước Thịnh]

a: \(\dfrac{2}{10}=\dfrac{2:2}{10:2}=\dfrac{1}{5}\)

b: \(\dfrac{9}{6}=\dfrac{9:3}{6:3}=\dfrac{3}{2}\)

c: \(\dfrac{5}{20}=\dfrac{5:5}{20:5}=\dfrac{1}{4}\)

d: \(\dfrac{6}{16}=\dfrac{6:2}{16:2}=\dfrac{3}{8}\)

Answer 2

[TRịnh Kim Ngân]

a) $\frac{2}{10}=\frac{2:2}{10:2}=\frac{1}{5}$;

c) $\frac{5}{20}=\frac{5:5}{20:5}=\frac{1}{4}$;

b) $\frac{9}{6}=\frac{9:3}{6:3}=\frac{3}{2}$

d) $\frac{6}{16}=\frac{6:2}{16:2}=\frac{3}{8}$