số nào lớn nhất là bé nhất số nào bé nhất là lớn nhất
Quy đồng :
\(\dfrac{1}{2}\) = \(\dfrac{\text{1 × 30}}{\text{2 × 30 }}\) = \(\dfrac{30}{60}\)
\(\dfrac{2}{3}\) = \(\dfrac{\text{2 × 20}}{\text{3 × 20 }}\) = \(\dfrac{40}{60}\)
\(\dfrac{3}{4}\) = \(\dfrac{\text{3 × 15 }}{4×15}\) = \(\dfrac{45}{60}\)
\(\dfrac{4}{5}\) =\(\dfrac{\text{4 × 12 }}{5×12}\) = \(\dfrac{48}{60}\)
\(\dfrac{5}{6}\) = \(\dfrac{\text{5 × 10 }}{6×10}\) = \(\dfrac{50}{60}\)
⇒ 30 < 40 < 45 < 48 < 50
\(\dfrac{1}{2}\) < \(\dfrac{2}{3}\) < \(\dfrac{3}{4}\) < \(\dfrac{4}{5}\) < \(\dfrac{5}{6}\)
\(\dfrac{1}{2}\) ; \(\dfrac{2}{3}\) ; \(\dfrac{3}{4}\) ; \(\dfrac{4}{5}\) ; \(\dfrac{5}{6}\)
