Question

Tim 4 phan so 

A bang phan so 5 / 9 

B bang phan so 15 / 19

Answer 1

\(\frac{5}{9}=\frac{10}{18}=\frac{15}{27}=\frac{20}{36}=\frac{25}{45}\)

\(\frac{15}{19}=\frac{30}{38}=\frac{45}{57}=\frac{60}{76}=\frac{75}{95}=\frac{90}{114}\)