Page 119 - New Medley 4 Semester 2 PDF (Merged)

Example 8: Add 4.9 and 2.572.

Solution: In these decimals, addends are unlike decimals, so write

them in columns after making like decimals and add as
usual.

1 1
→
4 . 9 4 . 9 0 0
→
+ 2 . 5 7 2 2 . 5 7 2
←
7 . 4 7 2 7 . 4 7 2 Thus, 4.9 + 2.572 = 7.472

Subtraction of Decimals

To subtract a decimal from the other, follow these steps:

Step 1: Write the minuend and subtrahend in such a way that their
decimal points fall in the same column and also the digits having

the same place in the same column.

Step 2: Subtract as in the case of whole numbers.

Step 3: Put the decimal in the difference (result) directly below the column

of the decimal point.

Example 9: Subtract 4.682 from 8.853.

Solution: Write the decimals in columns and subtract.

7 15

8 . 8 5 3

– 4 . 6 8 2

4 . 1 7 1 Thus, 8.853 – 4.682 = 4.171

Example 10: Subtract 3.125 from 5.2.

Solution: Write the decimals in columns after making them like

decimals and then subtract.

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