Numbers that can be expressed as a ratio are called rational numbers.
They are called irrational numbers; numbers that can be expressed as a ratio of integers are called rational numbers. Some common irrational numbers are pi (3.14159...) and the square root of two.
The ratio of 3 numbers cannot be expressed as a singe fraction.
The comparison of two numbers by division is called a ratio. For example, the fraction 3 over 2 can also be expressed as a 3 to 2 ratio.
Every whole number can be expressed as the quotient or ratio of other whole numbers, and whole numbers ARE integers.
Rational numbers can be expressed as a ratio of two integers, irrational numbers cannot be expressed in that way.
Rational numbers can be expressed as a ratio of 2 integers, irrational number cannot be so expressed.
It is a ratio of two or more numbers, at least one of which is expressed in decimal form and none is expressed as a rational fraction.