Question

Quy đồng mẫu các phân số sau 7/2, 3/4 , 15/24

Answer 1

Ta có MSC=24

\(\dfrac{7}{2}=\dfrac{7\times12}{2\times12}=\dfrac{84}{24}\)

\(\dfrac{3}{4}=\dfrac{3\times6}{4\times6}=\dfrac{18}{24}\)

Giữ nguyên PS \(\dfrac{15}{24}\)

Answer 2

84/24; 18/24;15/24

Answer 3

1524

Answer 4

\(\dfrac{7}{2}=\dfrac{7\cdot12}{2\cdot12}=\dfrac{84}{24}\)

\(\dfrac{3}{4}=\dfrac{3\cdot6}{4\cdot6}=\dfrac{18}{24}\)

\(\dfrac{15}{24}=\dfrac{15\cdot1}{24\cdot1}=\dfrac{15}{24}\)