Question

120 / 90 , 39/75 , 225/900

rút gọn phân số giúp e với

 

Answer 1

\(\dfrac{120}{90}=\dfrac{4}{3}\)

\(\dfrac{39}{75}=\dfrac{13}{25}\)

\(\dfrac{225}{900}=\dfrac{1}{4}\)

Answer 2

120/90=4/3

39/75=13/25

225/900=1/4

Answer 3

\(\dfrac{120}{90}=\dfrac{120:30}{90:30}=\dfrac{4}{3}\)

\(\dfrac{39}{45}=\dfrac{39:3}{45:3}=\dfrac{13}{15}\)

\(\dfrac{225}{900}=\dfrac{225:15}{900:15}=\dfrac{17}{60}\)