Question

find five rational numbers lying between 2 by 5 and 3 by 4

Answer 1

$\frac{2}{5} and \: \frac{3}{4} \\ lcm \: of \: 4 \: and \: 5 \: is \: 20 \\ \frac{8}{20} and \: \frac{15}{20} \\ therefore \: \\ 4 \: rational \: numbers \: between \: \frac{2}{3} are \\ \frac{9}{20} \\ \\ \frac{10}{20} \\ \\ \frac{11}{20} \\ \\ \frac{12}{20}$