48 divided by 3/4
copy dot flip
48 * 4/3
48/3 *4
16*4
64
Dividing by a fraction is the same as multiplying by the reciprocal of this fraction.
[tex]48:\dfrac{3}{4}=48\cdot\dfrac{4}{3}=16\cdot\dfrac{4}{1}=16\cdot4=64[/tex]