Question

$$3.125/4.5$$

Answer

0.69444444444444

Solution


Shift the decimals of both 3.125 and 4.5 to the right by 1 decimal place. (This is needed to convert 4.5 to 45, since long division must divide by a whole number.)
\[31.25\div 45\]
Use the algorithm method.
.69444444
45|31.25
27.0
4.25
4.05
200
180
200
180
200
180
200
180
200
180
200
180
20
Therefore, \(3.125\div 4.5\approx0.694444\).
\[0.694444\]