Question

how to do mixed fraction in decimals

Answer 1

firstly convert in to simple fraction then its divide the Demonator to numerator it

Answer 2

Lets take example

$5 \times \frac{3}{2}$

Multiply 5 by 2 then Add 3.
So your numerator is 13.
Denominator is 2.

Simply convert into Decimal.

Decimal = 6.5