1-5/13

To calculate \(1 - \frac{5}{13}\), first we convert 1 into a fraction with a denominator of 13. 1 can be expressed as \(\frac{13}{13}\). Now we can perform the subtraction: \[ \frac{13}{13} - \frac{5}{13} = \frac{13 - 5}{13} = \frac{8}{13} \] So, \(1 - \frac{5}{13} = \frac{8}{13}\).