Answer :

We want to compute the sum of the two numbers:

[tex]$$187 + 374$$[/tex]

Step 1: Write the numbers one under the other:

[tex]\[
\begin{array}{r}
187 \\
+ 374 \\
\hline
\end{array}
\][/tex]

Step 2: Add the units digit.

The units digits are [tex]$7$[/tex] (from [tex]$187$[/tex]) and [tex]$4$[/tex] (from [tex]$374$[/tex]). Adding them:

[tex]$$7 + 4 = 11$$[/tex]

Write down [tex]$1$[/tex] in the units place and carry over [tex]$1$[/tex] to the tens place.

Step 3: Add the tens digits.

The tens digits are [tex]$8$[/tex] (from [tex]$187$[/tex]) and [tex]$7$[/tex] (from [tex]$374$[/tex]). Don't forget the carried over [tex]$1$[/tex]:

[tex]$$8 + 7 + 1 = 16$$[/tex]

Write down [tex]$6$[/tex] in the tens place and carry over [tex]$1$[/tex] to the hundreds place.

Step 4: Add the hundreds digits.

The hundreds digits are [tex]$1$[/tex] (from [tex]$187$[/tex]) and [tex]$3$[/tex] (from [tex]$374$[/tex]), plus the carried over [tex]$1$[/tex]:

[tex]$$1 + 3 + 1 = 5$$[/tex]

Write down [tex]$5$[/tex] in the hundreds place.

Step 5: Write the final sum.

So the complete sum is:

[tex]$$561$$[/tex]

Thus, the answer is [tex]$561$[/tex].

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