Решение:
$$\frac{4}{6}$$ = $$\frac{2}{3}$$ = 0,666... ≈ 0,67
2$$\frac{29}{31}$$ = 2 + $$\frac{29}{31}$$ ≈ 2 + 0,935 = 2,935 ≈ 2,94
Ответ: $$\frac{4}{6}$$ ≈ 0,67; 2$$\frac{29}{31}$$ ≈ 2,94