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(c) L TTh Th H T O (d) L TTh Th H T O

6 8 7 0 0 3 7 0 0 6 1 0

– 2 9 9 4 6 5 – 3 9 1 7 8 4

2. Find the following differences.

(a) 50,871 – 23,692 (b) 64,012 – 35,794 (c) 3,45,726 – 1,80,313

(d) 9,04,750 – 4,36,927 (e) 2,78,005 – 82,796 (f) 5,54,132 – 97,864
3. Solve the following Input/Output problems.

(a) Subtract 10. (b) Subtract 1000.

Input Output Input Output

24,976 24,966 69,243
18,417 45,197

38,527 3,81,263

2,91,013 5,04,182 5,03,182

3,52,129 2,90,753

4. Which of the two is correct? Give reasons.
(a) TTh Th H T O (b) TTh Th H T O
12 12 9 9
5 2 10 10 15 5 2 10 10 15
6 3 0 0 5 6 3 0 0 5

– 2 4 8 7 6 – 2 4 8 7 6

3 8 2 3 9 3 8 1 2 9

Checking Subtraction

To check subtraction, add the difference of the two numbers to the subtrahend to get the
minuend.

Example 10: Subtract 37,254 from 85,106 and check your answer.

Solution: TTh Th H T O
14 10
7 4 0 10
8 5 1 0 6 ← Minuend
– 3 7 2 5 4 ← Subtrahend

4 7 8 5 2 ← Difference

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