A decimal fraction or decimal fraction is a fraction whose denominator is a power of ten with natürlichzahligem exponent is - or, to put it simply, a fraction in which the denominator is 10, 100, 1000, etc., is.
The decimal fraction can be written as a decimal number in the decimal system. Here are the break points from the integer part of the decimal point ( in Germany and Austria a comma, in Switzerland and in the English speaking one point) separated.
General referred to also non-terminating decimal, for example, which obviously can not be written as a fraction with a power of ten in the denominator, as a decimal fraction. We also speak of a decimal expansion.