Pls help I’ll give crown

Write the pair of fractions as a pair of fractions with a common denominator

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

Skie rented a boat for $16.50 per hour. her total rental fee was $49.50. for how many hours did skie rent the boat