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Decimal fractions are commonly expressed without a denominator, the decimal separator being inserted into the numerator (with leading zeros added if needed), at the position from the right corresponding to the power of ten of the denominator.
e.g., 8/10, 83/100, 83/1000, and 8/10000 are expressed as: 0.8, 0.83, 0.083, and 0.0008.
Changing Fractions To Decimals
In the process of converting a fraction to a decimal, we must perform the operation of division
that the fraction represents.
Example:
Convert 3/4 to a decimal.
Solution:
The fraction 3/4 represents 3 divided by 4. To put this into decimal form, we first divide
3 by 4. Add a decimal point and zeros to carry out this division.

Example:
Convert 1 to a decimal.

In the above example we see that no matter how many zeros we add, there will always be a
remainder of 1.
This is called a repeating decimal. A repeating decimal is indicated by a dash over the last number to the right of the decimal point.
So, 1/3 = 0.3333.
The bar is placed over the repeating portion.
For a repeating single digit, the bar is placed over only a single digit.
For a repeating sequence of digits, the bar is placed over the whole sequence of digits.
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