Find four rational numbers equivalent to the following.
8
8 can also be written as 81
To find equivalent rational number, we have to multiply and divide numerator with same number except 0
∴81=8×21×2=162
∴81=8×31×3=243
∴81=8×41×4=324
∴81=8×51×5=405
So, equivalent numbers of 8 are 162,243,324,405