14$$\frac{16}{25}$$-11$$\frac{17}{25}$$ = (14-11) + ($$\frac{16}{25}$$-$$\frac{17}{25}$$) = 3 + ($$\frac{16-17}{25}$$) = 3 - $$\frac{1}{25}$$ = 2 + 1 - $$\frac{1}{25}$$ = 2 + $$\frac{25}{25}$$ - $$\frac{1}{25}$$ = 2$$\frac{24}{25}$$
Ответ: 2$$\frac{24}{25}$$