Question

The decimal expansion of rational number $\frac{49}{40}$ will terminate after how many places of decimal?

Answer 1

Given fraction number is $\frac{49}{40}$

multiply numerator and denominator with $25$,

$=\frac{49}{40}\times \frac{25}{25}$

$=\frac{49\times 25}{40\times 25}$

$=\frac{1225}{1000}$

now,

We can divide $1225$ by $1000$.

Then,

We get $1.225$