What's the simplest fraction of a fraction that expands its numerator by four times and reduces its denominator by four times, which is equal to 24

What's the simplest fraction of a fraction that expands its numerator by four times and reduces its denominator by four times, which is equal to 24

Protomolecule: 24 △ 4 = 6
Original denominator: 1 × 4 = 4
6/4=3/2