Question

quy đồng phân số 
1/2;2/3 và 3/5

Answer 1

\(\dfrac{1}{2}=\dfrac{15}{30};\dfrac{2}{3}=\dfrac{20}{30};\dfrac{3}{5}=\dfrac{18}{30}\)

Answer 2

\(\dfrac{15}{30};\dfrac{20}{30}và\dfrac{18}{30}\)

Answer 3

1/2=15/30

2/3=20/30

3/5=18/30

Answer 4

1 x 15/2x15 = 15/30

2 x10/3x10 = 20/30

3 x6/5x6 = 18/30

Answer 5

\(\dfrac{1}{2};\dfrac{2}{3};\dfrac{3}{5}\) MSC ; 30

\(\dfrac{1}{2}=\dfrac{1\times15}{2\times15}=\dfrac{15}{30}\)

\(\dfrac{2}{3}=\dfrac{2\times10}{3\times10}=\dfrac{20}{30}\)

\(\dfrac{3}{5}=\dfrac{3\times6}{5\times6}=\dfrac{18}{30}\)

Answer 6

1/2=15/30

2/3=20/30

3/5=18/30

Answer 7

1/2 = 15/30 

2/3 = 20/30 

3/5 = 18/30