Question

So sánh hai phân số :
3/4 và 12/15

Answer 1

3/4< 12/15

Answer 2

\(\dfrac{3}{4}< \dfrac{12}{15}\)

Answer 3

\(\dfrac{3}{4}và\dfrac{12}{15}\)

\(\dfrac{3}{4}=\dfrac{3\times15}{4\times15}=\dfrac{45}{60}\)

\(\dfrac{12}{15}=\dfrac{12\times2}{15\times2}=\dfrac{24}{60}\)

\(Vậy\dfrac{45}{60}>\dfrac{24}{60}hay\dfrac{3}{4}>\dfrac{12}{15}\)