Question

so sánh 31/61 và 41/71

Answer 1

\(\dfrac{31}{61}\) = 1 - \(\dfrac{30}{61}\)

\(\dfrac{41}{71}\) =  1  - \(\dfrac{30}{71}\)

vì \(\dfrac{30}{61}\) >  \(\dfrac{30}{71}\) nên \(\dfrac{31}{61}< \dfrac{41}{71}\)

Answer 2

31/61 = 2201/4331 

41/71 = 1271/4331

Vậy 31/61 > 41/71