Question

Without actually dividing find 3/25

Answer 1

Answer

Since 3 and 25 have no common factors, hence 3 and 25 are co-prime. ∴ Denominator is of the form 2m5n, where m = 0 and n = 2. Hence, 253 is a terminating decimal. Since 11 and 18 have no common factors, hence 11 and 18 are co-prime