242:42

The expression \( 242:42 \) represents a ratio, which can also be interpreted as dividing 242 by 42. To simplify the ratio:

1. Divide both numbers by their greatest common divisor (GCD).
2. The GCD of 242 and 42 is 2.
3. Dividing both by 2 gives:

\[ \frac{242 \div 2}{42 \div 2} = \frac{121}{21} \]

So, the simplified ratio is \( 121:21 \).

If you meant to perform the division, then:

\[ 242 \div 42 \approx 5.762 \]

Let me know if you need further assistance!