Question

A number is divided by 9 , and the result is added to another

number divided by 20. If the first number is 3 and the
second is 5, evaluate the expression.

Answer 1

`(3)/(9) + (5)/(20) \\ = > (1)/(3) + (1)/(4) \\ = > (1 * 4)/(3 * 4) + (1 *3 )/(4 * 3) \\ = > (4 + 3)/(12) \\ = (7)/(12)`