Question

Ramesh solved 2/7 part of an exercise while resmi solved 4/5 of it who solved lesser and by how much

Answer 1

ramesh solved lesser ..............

Answer 2

let exercise be x

$ramesh = \frac{2x}{7 } \\ reshmi = \frac{4x}{5 }$

ramesh's exercise is shorter

by

$\frac{4x}{5} - \frac{2x}{7} \\ \frac{28x - 10x }{35} \\ \frac{18x}{35}$

this is your answer