Fill in the missing number. (please explain your answer)

Answer & Step-by-step explanation:
Make a fraction using the numerator:
[tex]\frac{48}{15} =\frac{x}{y}[/tex]
Simplify the fraction. Both the numerator and the denominator are multiples of 3, so divide top and bottom by 3 to the lowest possible integer:
[tex]\frac{16}{5}[/tex]
Insert into the equation:
[tex]\frac{48}{15}=\frac{16}{5}[/tex]
:Done
You can use different numbers too