Page 49 - Start Up Mathematics_4

TTh Th H T O

16 9 9 Step 5: Subtract the remaining ten thousands.
7 8 6 7 10 0 10 0 12 2 7 – 4 = 3

– 4 8 2 5 6

3 8 7 4 6

So, 87,002 – 48,256 = 38,746.

Example 8: Subtract 1,57,936 from 4,60,082.
Solution: L TTh Th H T O

9
5 10 10 7 12
4 6 0 0 8 2
– 1 5 7 9 3 6

3 0 2 1 4 6

So, 4,60,082 –1,57,936 = 3,02,146.

Subtraction: Input/Output

To solve input/output problems, subtract the number given in the problem from each
number in the input column and write the answer in the output column.
Example 9: Subtract 100. Solution:

Input Output Input Output
68,275 68,275 68,175

74,163 74,163 74,063

98,206 98,206 98,106
2,53,490 2,53,490 2,53,390

5,06,318 5,06,318 5,06,218

EXERCISE 4.2

1. Subtract the following numbers.
(a) TTh Th H T O (b) TTh Th H T O

4 2 3 1 7 5 0 7 0 2

– 1 0 6 2 5 – 1 3 8 5 4

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