A rational number can be written as a ratio of two integers with a non-zero denominator.
What Is Rational Number?
A rational number can be written as a ratio of two integers with a non-zero denominator.
Examples of Rational Number
1
0.75 = 3/4 is rational.Formula and Key Points
Formula / rule
p/q, q≠0
- Know the definition and standard notation for Rational Number.
- Be able to recognise or compute rational number in a small example.
- Connect the concept to nearby topics in the same subject before using it in larger CSE problems.
Why This Matters in Computer Science
Used in cryptography, hashing, coding theory, security protocols and efficient integer algorithms.
Related Math Terms
Rational Number: Frequently Asked Questions
What is Rational Number?
A rational number can be written as a ratio of two integers with a non-zero denominator.
Why is Rational Number useful in computer science?
Used in cryptography, hashing, coding theory, security protocols and efficient integer algorithms.