construct two rational numbers
4552
Choice of $q$ in Baby Rudin's Example 1.1
89512
Finding two numbers given their sum and their product
3208
There is no smallest rational number greater than 2
117366
Is there a simple, constructive, 1-1 mapping between the reals and the irrationals?
155112
Are there more rational numbers than integers?
151389
How do you add two fractions?
23112
Solving an equation with rational expressions (step by step)
44573
Can $\pi$ be rational in some base radix
31744
Proving that there is an irrational number between any two unequal rational numbers.
114442
Completion of rational numbers via Cauchy sequences
83145
Sum of rational numbers
51649
prove there is no smallest positive rational number
51324
List of explicit enumerations of rational numbers
39621
Let a, b, c, d be rational numbers...
5803
Produce an explicit bijection between rationals and naturals?
30105
Multiples of an irrational number forming a dense subset
22762
How can adding an infinite number of rationals yield an irrational number?