Question

State if the following fraction has a terminating decimal

${\displaystyle \frac{25}{49}}$

Answer 1

${\displaystyle \frac{25}{49}}$

49 = 7 x 7

i.e. 49 cannot be expressed as 2^m x 5ⁿ.

Hence, ${\displaystyle \frac{25}{49}}$ does not have terminating decimal representation.