Definition of decimal fraction
: a fraction (as .25 = 25⁄100 or .025 = 25⁄1000) or mixed number (as 3.025 = 325⁄1000) in which the denominator is a power of 10 usually expressed by use of the decimal point
First Known Use of decimal fraction
Learn More about decimal fraction
Britannica.com: Encyclopedia article about decimal fraction
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