Question

Quy đồng 3/20 và 5/18 MSC:180

Answer 1

3/20=27/180

5/18=50/180

Answer 2

\(\dfrac{\text{ 3 }}{20}=\dfrac{27}{180}\)

\(\dfrac{\text{5}}{18}=\dfrac{50}{180}\)

Answer 3

\(\dfrac{3}{20}và\dfrac{5}{18}=\dfrac{3}{20}=\dfrac{3\times9}{20\times9}=\dfrac{27}{180};\dfrac{5}{18}=\dfrac{5\times10}{18\times10}=\dfrac{50}{180}\)