No, but the reverse is true. All rational numbers are ratios but not all ratios are rational.
You will often come across π being defined as the RATIO of the circumference of a circle to its diameter (there are other definitions). However, the word "rational" is derived from "ratio".
A natural number is always a rational number .
Rational numbers can always be expressed as fractions.
Yes, it is.
The product of an irrational number and a rational number, both nonzero, is always irrational
Yes.
Yes, they are.
Rational
Ratios
Such a sum is always rational.
rational number
Yes. But if you have a ratio of two integers, the ratio will be rational by definition.
They can all be represented by ratios of two integers.
A rational number.
Yes - all numbers that can be written as ratios, even negative numbers, are rational numbers.
No but the equal ratios are called Equivalent Ratios.
They will always be rational numbers.
No.A rational times an irrational is never rational. It is always irrational.