37:3

The expression "37:3" typically denotes a ratio. If you simplify the ratio 37:3, it stays as it is because 37 and 3 have no common factors (other than 1).

If you would like to convert this ratio into a decimal, you can divide 37 by 3:

\[ 37 \div 3 = 12.33 (repeating) \]

So, the ratio 37:3 can also be expressed as approximately 12.33. If you need further assistance, let me know!