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Example 1: Find the sum of 37,241 and 21,356. Write the addends and the sum obtained
in words.
Solution: Step 1: Add the ones. 1 + 6 = 7 Step 2: Add the tens. 4 + 5 = 9
TTh Th H T O TTh Th H T O
3 7 2 4 1 3 7 2 4 1
+ 2 1 3 5 6 + 2 1 3 5 6
7 9 7
Step 3: Add the hundreds. 2 + 3 = 5 Step 4: Add the thousands. 7 + 1 = 8
TTh Th H T O TTh Th H T O
3 7 2 4 1 3 7 2 4 1
+ 2 1 3 5 6 + 2 1 3 5 6
5 9 7 8 5 9 7
Step 5: Add the ten thousands. 3 + 2 = 5
TTh Th H T O
3 7 2 4 1 So, 37,241 + 21,356 = 58,597.
+ 2 1 3 5 6
addends sum
5 8 5 9 7
Addends
37,241 → Thirty-seven thousand two hundred forty-one
21,356 → Twenty-one thousand three hundred fifty-six
Sum
58,597 → Fifty-eight thousand five hundred ninety-seven
Example 2: Find the sum of 1,62,875 and 4,15,123. Write the sum obtained in words.
Solution: L TTh Th H T O
1 6 2 8 7 5 So, 1,62,875 + 4,15,123 = 5,77,998.
+ 4 1 5 1 2 3
5 7 7 9 9 8 addends sum
Sum
5,77,998 → Five lakh seventy-seven thousand nine hundred ninety-eight
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