52,52/42

To simplify the expression \( \frac{52}{42} \), we can find the greatest common divisor (GCD) of 52 and 42.

1. The factors of 52 are: 1, 2, 4, 13, 26, 52
2. The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42

The common factors are 1 and 2. Thus, the GCD is 2.

Now we can simplify the fraction:

\[ \frac{52 \div 2}{42 \div 2} = \frac{26}{21} \]

So, \( \frac{52}{42} \) simplifies to \( \frac{26}{21} \).