Question

[TRịnh Kim Ngân]

Rút gọn các phân số sau về phân số tối giản:

a) $\frac{8}{16}=\mathrm{......................................}$; c) $\frac{24}{18}=\mathrm{.....................................}$;

b) $\frac{10}{30}=\mathrm{.....................................}$ d) $\frac{20}{28}=\mathrm{.....................................}$

Answer 1

[Nguyễn Lê Phước Thịnh]

a: \(\dfrac{8}{16}=\dfrac{8:8}{16:8}=\dfrac{1}{2}\)

b: \(\dfrac{10}{30}=\dfrac{10:10}{30:10}=\dfrac{1}{3}\)

c: \(\dfrac{24}{18}=\dfrac{24:6}{18:6}=\dfrac{4}{3}\)

d: \(\dfrac{20}{28}=\dfrac{20:4}{28:4}=\dfrac{5}{7}\)

Answer 2

[TRịnh Kim Ngân]

a) $\frac{8}{16}=\frac{8:8}{16:8}=\frac{1}{2}$; c) $\frac{24}{18}=\frac{24:6}{18:6}=\frac{4}{3}$;

b) $\frac{10}{30}=\frac{10:10}{30:10}=\frac{1}{3}$ d) $\frac{20}{28}=\frac{20:4}{28:4}=\frac{5}{7}$