Newbetuts

Proving that $x$ is irrational if $x-\lfloor x \rfloor + \frac1x - \left\lfloor \frac1x \right\rfloor = 1$

Distributive property on fractions

Function that maps the "pureness" of a rational number?

How many sequences of rational numbers converging to 1 are there?

Prove that any two nontrivial subgroups of $\mathbb{Q}$ have nontrivial intersection

Will every rational number eventually be in this set?

Additive group of rationals has no minimal generating set

How many points can you find on $y=x^2$, for $x \geq 0$, such that each pair of points has rational distance?

What do the cosets of $\mathbb{R} / \mathbb{Q}$ look like?

How can we find and categorize the subgroups of $\mathbb{R}$?

"Least trivial" function preserving rationality

prove that $\mathbb{Q}^n$is dense subset of $\mathbb{R^n}$

If $\beta=0.{a_1}^{k}{a_2}^{k}{a_3}^{k}\cdots\in\mathbb Q$, then $\alpha=0.a_1a_2a_3\cdots\in\mathbb Q$?

Show that it is impossible to list the rational numbers in increasing order

New posts in rational-numbers

Is there such an $x$ that both $2^{\frac{x}{3}}$ and $3^{\frac{x}{2}}$ are simultaneously rational?

Do there exist an infinite number of 'rational' points in the equilateral triangle $ABC$?

How can I explain $0.999\ldots=1$? [duplicate]

Are there any bases which represent all rationals in a finite number of digits?

An interesting way of expressing any real number using the harmonic series.

Order preserving bijection from $\mathbb Q\times \mathbb Q$ to $\mathbb Q$

Proving that $x$ is irrational if $x-\lfloor x \rfloor + \frac1x - \left\lfloor \frac1x \right\rfloor = 1$

Distributive property on fractions

Function that maps the "pureness" of a rational number?

How many sequences of rational numbers converging to 1 are there?

Prove that any two nontrivial subgroups of $\mathbb{Q}$ have nontrivial intersection

Will every rational number eventually be in this set?

Additive group of rationals has no minimal generating set

How many points can you find on $y=x^2$, for $x \geq 0$, such that each pair of points has rational distance?

What do the cosets of $\mathbb{R} / \mathbb{Q}$ look like?

How can we find and categorize the subgroups of $\mathbb{R}$?

"Least trivial" function preserving rationality

prove that $\mathbb{Q}^n$is dense subset of $\mathbb{R^n}$

If $\beta=0.{a_1}^{k}{a_2}^{k}{a_3}^{k}\cdots\in\mathbb Q$, then $\alpha=0.a_1a_2a_3\cdots\in\mathbb Q$?

Show that it is impossible to list the rational numbers in increasing order