[tex] 16.45:5=\dfrac{16.45}{5}=\dfrac{16.45\cdot100}{5\cdot100}=\dfrac{1645}{500}=\dfrac{1500+145}{500}=\dfrac{1500}{500}+\dfrac{145}{500}\\\\=3+\dfrac{145:5}{500:5}=3+\dfrac{29}{100}=3\dfrac{29}{100}=3.29 [/tex]
Look at the picture.
16.45 : 5 = 3.29
