Question

Find the value of : $21.05-15.27$

Answer 1

Find the required value by converting given numbers to fractions and then subtracting them

Convert this numbers into fraction

Given numbers are $21.05$ and $15.27$

$21.05=\frac{2105}{100}$

$15.27=\frac{1527}{100}$

Now ,

$\begin{array}{rcl}21.05-15.27& =& \frac{2105}{100}-\frac{1527}{100}\\ & =& \frac{2105-1527}{100}\\ & =& \frac{578}{100}\\ & =& 5.78\end{array}$

Hence the value $21.05-15.27$ is $5.78$