[tex]1500000 + \frac{1}{2}[/tex]
[tex]\frac{1500000}{1} +\frac{1}{2}[/tex]
[tex]\frac{1500000.2+1.1}{2.1}[/tex]
[tex]\frac{3000000+1}{2}[/tex]
[tex]\frac{3000001}{2} = 1500000,5[/tex]
