Evaluate: 342475+71925

Expression: $342475+71925$

Add the digits of the bolded column $5+5=10$

$\begin{matrix}\:\:&3&4&2&4&7&\bold{5}\\+&0&7&1&9&2&\bold{5}\end{matrix}$

Carry $1$ to the column on the left and write $0$ in the bolded column

$\frac{\begin{matrix}\:\:&\:\:&\:\:&\:\:&\:\:&1&\bold{\:\:}\\\:\:&3&4&2&4&7&\bold{5}\\+&0&7&1&9&2&\bold{5}\end{matrix}}{\begin{matrix}\:\:&\:\:&\:\:&\:\:&\:\:&\:\:&\bold{0}\end{matrix}}$

Add the digits of the bolded column $1+7+2=10$

$\frac{\begin{matrix}\:\:&\:\:&\:\:&\:\:&\:\:&\bold{1}&\:\:\\\:\:&3&4&2&4&\bold{7}&5\\+&0&7&1&9&\bold{2}&5\end{matrix}}{\begin{matrix}\:\:&\:\:&\:\:&\:\:&\:\:&\bold{\:\:}&0\end{matrix}}$

Carry $1$ to the column on the left and write $0$ in the bolded column

$\frac{\begin{matrix}\:\:&\:\:&\:\:&\:\:&1&\bold{1}&\:\:\\\:\:&3&4&2&4&\bold{7}&5\\+&0&7&1&9&\bold{2}&5\end{matrix}}{\begin{matrix}\:\:&\:\:&\:\:&\:\:&\:\:&\bold{0}&0\end{matrix}}$

Add the digits of the bolded column $1+4+9=14$

$\frac{\begin{matrix}\:\:&\:\:&\:\:&\:\:&\bold{1}&1&\:\:\\\:\:&3&4&2&\bold{4}&7&5\\+&0&7&1&\bold{9}&2&5\end{matrix}}{\begin{matrix}\:\:&\:\:&\:\:&\:\:&\bold{\:\:}&0&0\end{matrix}}$

Carry $1$ to the column on the left and write $4$ in the bolded column

$\frac{\begin{matrix}\:\:&\:\:&\:\:&1&\bold{1}&1&\:\:\\\:\:&3&4&2&\bold{4}&7&5\\+&0&7&1&\bold{9}&2&5\end{matrix}}{\begin{matrix}\:\:&\:\:&\:\:&\:\:&\bold{4}&0&0\end{matrix}}$

Add the digits of the bolded column $1+2+1=4$

$\frac{\begin{matrix}\:\:&\:\:&\:\:&\bold{1}&1&1&\:\:\\\:\:&3&4&\bold{2}&4&7&5\\+&0&7&\bold{1}&9&2&5\end{matrix}}{\begin{matrix}\:\:&\:\:&\:\:&\bold{4}&4&0&0\end{matrix}}$

Add the digits of the bolded column $4+7=11$

$\frac{\begin{matrix}\:\:&\:\:&\bold{\:\:}&1&1&1&\:\:\\\:\:&3&\bold{4}&2&4&7&5\\+&0&\bold{7}&1&9&2&5\end{matrix}}{\begin{matrix}\:\:&\:\:&\bold{\:\:}&4&4&0&0\end{matrix}}$

Carry $1$ to the column on the left and write $1$ in the bolded column

$\frac{\begin{matrix}\:\:&1&\bold{\:\:}&1&1&1&\:\:\\\:\:&3&\bold{4}&2&4&7&5\\+&0&\bold{7}&1&9&2&5\end{matrix}}{\begin{matrix}\:\:&\:\:&\bold{1}&4&4&0&0\end{matrix}}$

Add the digits of the bolded column $1+3+0=4$

$\frac{\begin{matrix}\:\:&\bold{1}&\:\:&1&1&1&\:\:\\\:\:&\bold{3}&4&2&4&7&5\\+&\bold{0}&7&1&9&2&5\end{matrix}}{\begin{matrix}\:\:&\bold{4}&1&4&4&0&0\end{matrix}}$

Line up the numbers

$\begin{matrix}\:\:&3&4&2&4&7&5\\+&0&7&1&9&2&5\end{matrix}$ $=414400$

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