Solved on Dec 05, 2023
Find the sum of 28 and 51.
STEP 1
Assumptions
1. We are adding two whole numbers, 28 and 51.
2. The operation to perform is addition.
STEP 2
To add two numbers, we can line them up by their place value and add each column starting from the rightmost digit (ones place) and moving to the left (tens place, hundreds place, etc.).
STEP 3
Write down the numbers so that the ones place digits are aligned vertically:
\begin{array}{c@{}c}
& 28 \\
+ & 51 \\
\end{array}
STEP 4
Add the ones place digits (8 + 1).
STEP 5
Write the sum of the ones place under the line:
\begin{array}{c@{}c}
& 28 \\
+ & 51 \\
\hline
& \phantom{0}9 \\
\end{array}
STEP 6
Add the tens place digits (2 + 5).
STEP 7
Write the sum of the tens place to the left of the ones place sum:
\begin{array}{c@{}c}
& 28 \\
+ & 51 \\
\hline
& 79 \\
\end{array}
The sum of is .
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