Answer :
4.23=423/100
100)423(4
-400
__________
23
Therefore, 4.23 in mixed is 4 23/100.
The answer is simple. Since 4 is the whole number, it stays like that. When you say 4.23 you say 23 hundredths. So its 23 out of 100. The answer would be 4 23/100