Rational Numbers
Rational numbers are integers plus fractions.
In other words number is rational, if it can be written as fraction (we know that every integer can be written as fraction ).
So, -4, -10, 0, 2, 23, , , , , , are all rational numbers.
Thus, rational numbers include
- integers {..., -5,-4,-3,-2,-1,0,1,2,3,4,5,...}
- fractions (proper, improper, mixed numbers)
Set of rational numbers, i.e. group of rational numbers, is denoted by .