Question

Rút gọn phân số sau.

45	===	45 :	=
63		63 :

Answer 1

\(\dfrac{45}{63}=\dfrac{9\text{×}5}{9\text{×}7}=\dfrac{5}{7}\)

Answer 2

\(\dfrac{45}{63}=\dfrac{45:9}{63:9}=\dfrac{5}{7}\)

Answer 3

5/7 nha

Answer 4

5/7