How do you write 8.3 as an improper fraction?

First convert 8.3 to a fraction

8. 3 = 8 3/10

To convert 8 3/10 to an Improper Fraction. , multply the doeffieicnt '8' to '10' , Hence 80 Add '3' to '80' = 83

Place over the denominator of '10'

Hence 83/10 is the Improper Fraction.

NB Many people use the expression 'top heavy fraction' , but that is incorrect. It is correctly named as an 'IMPROPER FRACTION'.