" ¿ what is rational number "

Explain what a rational number is in your own words.

The numerator and the denominator of a rational number are in the ratio 5:7. When 6 is added to both the numerator and denominator, the ratio becomes 4:5. What is the rational number?

If numerator is 2 less than denominator of a rational number and when 1 is subtracted from numerator and denominator both, the rational number in its simplest form is 1/2 What is the rational number?

Let x and y be rational numbers. Show that xy is a rational number.

By what rational number should -9/35 be multiplied to get 3/5 ?

By what rational number should -35/6 be divided to get -7/2 ?

By what rational number should - 3 divided to get -(9)/(13) .

By what rational number should (-8)/(39) be multiplied to obtain (5)/(26) ?

By what rational number should (-8)/(39) be multiplied to obtain (1)/(26) ?

By what rational number should (3)/(5) be multiplied to get -1?