The fraction may be simplified when the numerator and denominator have a common factor greater than one. Units are often referred to as ones. Eg, 4∙2 has 4 units and 2 tenths, or you could say 4∙2 has ...

- A decimal number consists of two parts: the integer part is written to the left of the "," sign; the decimal part is written to the right of the "," sign. - After ...