1) $$\frac{2}{11}$$ + $$\frac{1}{9}$$ = $$\frac{18}{99}$$ + $$\frac{11}{99}$$ = $$\frac{29}{99}$$ = 0,(29)
2) $$\frac{8}{13}$$ + $$\frac{2}{3}$$ = $$\frac{24}{39}$$ + $$\frac{26}{39}$$ = $$\frac{50}{39}$$ = 1$$\frac{11}{39}$$ = 1,(28)
3) $$\frac{1}{3}$$ + 1,25 = 0,(3) + 1,25 = 1,58(3)
4) $$\frac{1}{6}$$ + 0,33 = 0,1(6) + 0,33 = 0,49(6)
5) $$\frac{3}{14}$$ * 1,05 = 0,21428571428571 * 1,05 = 0,225
6) $$\frac{7}{9}$$ * 1,7 = 0,(7) * 1,7 = 1,32(2)