Question

Answer 1

Help nha

Answer 2

`(2)/(5):(3)/(7)=(2)/(5)xx(7)/(3)=(14)/(15)`

`(7)/(4):(5)/(9)=(7)/(4)xx(9)/(5)=(63)/(20)`

`(1)/(5):(1)/(4)=(1)/(5)xx(4)/(1)=(4)/(5)`

Answer 3

\(\dfrac{2}{5}:\dfrac{3}{7}=\dfrac{14}{15}\)

\(\dfrac{7}{4}:\dfrac{5}{9}=\dfrac{63}{20}\)

\(\dfrac{1}{5}:\dfrac{1}{4}=\dfrac{4}{5}\)

Answer 4

2/7:3/7=2/7×7/3=14/21

7/4:5/9=7/4×9/5=63/20

1/5:1/4=1/5×4/1=4/5

Answer 5

2/5:3/7=14/15

7/4:5/9=63/20

1/5:1/4=4/5