Simplify :

16.753 + 4.06 - 13.89

Given expression:

= 16.753 + 4.06 - 13.89
= 16.753 + 4.060 - 13.890 $\quad$ [Converting into like decimals]
= (16.753 + 4.060) - 13.890
= 20.813 - 13.890
= 6.923

$\begin{array}{r|r} 16.753 & 20.813 \ +\phantom{0}4.060 & -\phantom{0}13.890 \ \hline 20.813 & 6.923 \ \hline \end{array}$

Hence, the answer is 6.923