we must first convert the decimals into integers. We can do this by multiplying by 100/100
That is
[tex]\frac{5.51}{0.20}=\frac{5.51}{0.20}\cdot\frac{100}{100}[/tex]it yields
[tex]\frac{5.51}{0.20}=\frac{551}{20}[/tex]and now, we can apply the long division algorithm:
and the result is 27.55