When decimals are used to express the size of the fractional part, 1 is divided into 10 equal parts and the new unit amount 0.1 is created, after which the process is repeated to create, 0.01, 0.001, and so on. In the case of fraction, the size of the fractional part is expressed in such a way that if, for instance, there are 2 parts of a certain amount that is divided into 4 equal parts, the fraction will be shown as 3/4.