Question

Rút gọn các phân số sau : 
4/8 ; 15/20; 11/33;18/17

Answer 1

4/8=1/2

15/20=3/4

11/33=1/3

18/17=18/17

Answer 2

\(\dfrac{4}{8}=\dfrac{1}{2};\dfrac{15}{20}=\dfrac{3}{4};\dfrac{11}{33}=\dfrac{1}{3};\dfrac{18}{17}=\dfrac{18}{17}\)

Answer 3

\(\dfrac{4}{8}=\dfrac{4:4}{8:4}=\dfrac{1}{2}\) ; \(\dfrac{15}{20}=\dfrac{15:5}{20:5}=\dfrac{3}{4};\dfrac{11}{33}=\dfrac{11:11}{33:11}=\dfrac{1}{3}\) ; \(\)

Answer 4

\(\dfrac{1}{2}\)

\(\dfrac{3}{4}\)

\(\dfrac{1}{3}\)

 

Answer 5

câu cuối cùng thì vẫn thế

Answer 6

1/2

3/4

1/3

18/17