Answer :

[tex]\frac{18}{24}\\\\GCF(18;\ 24)=6\\\\18:6=3;\ 24:6=4\\\\\boxed{\frac{18}{24}=\frac{3}{4}}[/tex]
AL2006
To reduce a fraction to its lowest terms, divide the numerator and denominator
by their greatest common factor.

The greatest common factor of 18 and 24 is 6.

When you divide the top and bottom by 6, the result is  3/4 .