New posts in rational-numbers

Proof that continued fractions are finite for rationals?

rational-numbers continued-fractions

Proving if it is possible to write 1 as the sum of the reciprocals of x odd integers

algebra-precalculus elementary-number-theory summation rational-numbers

Finding the simplest rational in a closed interval [closed]

rational-numbers

Integral of rationals

integration irrational-numbers rational-numbers

Reversing the digits of an infinite decimal

limits real-numbers irrational-numbers rational-numbers

Suppose that $x^5$ and $20x+\frac {19}x$ are rational numbers. Then $x$ is also rational

contest-math roots rational-numbers

Notation for specifying the fractional part of a number

notation fractions rational-numbers

Proof: Is there a line in the xy plane that goes through only rational coordinates?

proof-verification proof-writing irrational-numbers rational-numbers

Can any positive real be approximated as $2^m/3^n$ with $(m,n)$ large enough?

limits irrational-numbers rational-numbers

Prove that there is an irrational number and a rational number between any two distinct real numbers

proof-verification irrational-numbers rational-numbers

Given dividend and divisor, can we know the length of nonrepeating part and repeating part?

number-theory modular-arithmetic arithmetic rational-numbers

Can someone clarify Example I.I.2 from Hardy's Course of Pure Mathematics?

analysis rational-numbers

$f(a)-f(b)$ is rational iff $f(a-b) $ is rational

real-analysis continuity functional-equations rational-numbers fixed-point-theorems

How to find all rational points on the elliptic curves like $y^2=x^3-2$

number-theory diophantine-equations elliptic-curves rational-numbers mordell-curves

Show that if m/n is a good approximation of $\sqrt{2}$ then $(m+2n)/(m+n)$ is better

approximation irrational-numbers rational-numbers

Visual representation of the fact that there are more irrational than rational numbers.

irrational-numbers rational-numbers visualization

Conjugate of real number

radicals real-numbers rational-numbers

Equality of positive rational numbers.

reference-request definition rational-numbers axioms

Is there a math field that studies something like this?

reference-request rational-numbers

Which sets of natural numbers generate fractions which are dense in $\mathbb{R}_{+}$?

real-analysis rational-numbers