32:72

The ratio 32:72 can be simplified by dividing both numbers by their greatest common divisor (GCD).

The greatest common divisor of 32 and 72 is 8.

Now, divide both numbers by 8:

• 32 ÷ 8 = 4
• 72 ÷ 8 = 9

So, the simplified ratio is 4:9.