8Decimals
Decimals are what we call our way of representing fractions in our base ten, or decimal system. Their “full name” is decimal fractions. We want to be able to write fractions in a decimal form so that they fit more comfortably into the system of arithmetic we're accustomed to. Much of what you need to know about arithmetic with decimals won't sound new, so let's get started.
1 ADDING AND SUBTRACTING WITH DECIMALS
There's not a lot new to say about adding and subtracting with decimals. Before you begin to add or subtract, you need to make sure that the decimal points of all the numbers are aligned one under another. Then add or subtract just as you did with whole numbers and place the decimal point in your answer right under all ...
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