5/6=20/24

9/8=27/24

5  =  5 x 4  =  20

6  =  6 x 4      24

9  =  9 x 3  =  27

8  =  8 x 3      24

       Chúc bạn học thật giỏi 

\(\frac{5}{6}=\frac{5x4}{6x4}=\frac{20}{24}\)

\(\frac{9}{8}=\frac{9x3}{8x3}=\frac{27}{24}\)

\(\frac{5}{6}\)và\(\frac{9}{8}\)

\(\frac{5}{6}=\frac{5\times4}{6\times4}=\frac{20}{24}\)

\(\frac{9}{8}=\frac{9\times3}{8\times3}=\frac{27}{24}\)

5/6

4/9

Msc:18

5/6=15/18

4/9=8/18

\(\dfrac{5}{6}=\dfrac{5\times3}{6\times3}=\dfrac{15}{18}\)

\(\dfrac{4}{9}=\dfrac{4\times2}{9\times2}=\dfrac{8}{18}\)

\(\dfrac{5}{6}=\dfrac{20}{24}\)

\(\dfrac{9}{8}=\dfrac{27}{24}\)

5/6 = 5 x 4/6 x 4 = 20/24

9/8 = 9 x 3/8 x 3 = 27/24

Tick xanh mình nhe!

1.5/6va36/6

2.110/75va51/75

1.\(\frac{5}{6}\) và \(\frac{36}{6}\) 

2.\(\frac{110}{75}\) và \(\frac{51}{75}\)

a: 5/3=10/6=25/15=35/21

b: 5/7=35/49

6/15=12/30

4/5=16/20

c: 6=216/36=324/54=108/18

a)\(\dfrac{5}{3}=\dfrac{10}{6}=\dfrac{25}{15}=\dfrac{35}{21}\)

b)\(\dfrac{5}{7}=\dfrac{35}{49};\dfrac{6}{15}=\dfrac{12}{30};\dfrac{4}{5}=\dfrac{16}{20}\)

c) \(6=\dfrac{216}{36}=\dfrac{324}{54}=\dfrac{108}{18}\)

Đúng

Skibo

\(1.a,\frac{5}{7}=\frac{5.9}{7.9}=\frac{45}{63};\frac{4}{9}=\frac{4.7}{9.7}=\frac{28}{63}.\)

\(b,\frac{7}{15},\frac{5}{3}=\frac{5.5}{3.5}=\frac{25}{15}\)

\(c,\frac{11}{12}=\frac{11.4}{12.4}=\frac{44}{48};\frac{7}{48}\)

\(d,\frac{3}{2}=\frac{3.3}{2.3}=\frac{9}{6};\frac{2}{3}=\frac{2.2}{3.2}=\frac{4}{6}\)

\(e,\frac{1}{3}=\frac{1.4}{3.4}=\frac{4}{12};\frac{5}{4}=\frac{5.3}{4.3}=\frac{15}{12};\frac{10}{12}\)

Ta co : 5/6=20/24

             9/8=27/24

5/6 = 20/24 , 9/8 =27/24