A decimal is a number that consists of a whole and a fractional part.

separate the whole number from the fraction by inserting a ".", which is called a decimal point.

Explanation: A decimal number has a whole number part and the fractional part separated by a dot. The dot in a decimal number is called a decimal point.

Multiplication of a decimal number by another decimal can be performed similar to the multiplication of whole numbers except keeping the decimal point in the result.

Explanation: A decimal is multiplied by a decimal number exactly like a whole number, but the decimal point is added. Multiplying decimals results in a decimal point.