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Decimals are fractional numbers. The decimal 0.8 is the same
as 8/10. The number 0.88 is a decimal that represents 88/100.
A decimal may be subtracted from another by the following
procedure: the decimals are written one below the other with
the decimal points vertically aligned the numbers are
subtracted like whole numbers a decimal point is placed in the
result (difference) such that it is directly below the decimal
points in the decimals being subtracted. Example:
889 - 288 = 601. There are 2 decimal places in the numbers being
subtracted, so the difference must have 2 decimal places. Thus,
8.89 - 2.88 = 6.01
Note that zeros to the right of a decimal fraction do not change
the value of the decimal. Example:
8.89 = 8.890 = 8.8900 = 8.89000
Three tips for decimal addition as follows:
1. Subtracting Decimals is just like subtracting other numbers.
2. Always line up the decimal points when subtracting decimals.
3. Remember to put the decimal point in the proper place in your