Pre-Algebra Demystified

ANSWERS

1. 11.462

2. 170.471

3. 730.22

4. 61.1036

5. 4459.072

Subtraction of Decimals

Subtracting decimals is similar to adding decimals.
To subtract two decimals, write the decimals in a column, placing the decimal
points in a vertical line. Subtract the numbers and place the decimal point in the
difference directly under the other decimal points.

EXAMPLE
Subtract 43.871
15.23.

SOLUTION

43 : 871 Annex a zero to keep the columns straight


 15 : 230

28 : 641

EXAMPLE

Subtract 18.3
9.275.

SOLUTION

18 : 300 Annex zeros to keep the columns straight


 9 : 275

9 : 025

PRACTICE

Subtract:

1. 19.356
   14.124


2. 237.6
   153.48


3. 0.833
   0.6241


4. 7.8
   3.45


5. 2.63175
   0.4111

CHAPTER 5 Decimals 87