New posts in Fractions

Prove that $\frac{1}{\sqrt{1+a^2}}+\frac{1}{\sqrt{1+b^2}}+\frac{1}{\sqrt{1+c^2}}\le\frac{3}{2}$

How do you calculate how many decimal places there are before the repeating digits, given a fraction that expands to a repeating decimal?

Rationalization of $\frac{2\sqrt{6}}{\sqrt{2}+\sqrt{3}+\sqrt{5}}$

Proof of one inequality $a+b+c\leq\frac{a^3}{bc}+\frac{b^3}{ca}+\frac{c^3}{ab}$

What's the algebraic property where you can flip the fractions in an equation?

Finite Sum $\sum\limits_{k=1}^{m-1}\frac{1}{\sin^2\frac{k\pi}{m}}$

Find two-digit numbers such that their ratio equals $0.254902$.

Why is $\frac{1}{\frac{1}{X}}=X$?

Why does the Denominator of the Denominator go to the Numerator?

Length of period of decimal expansion of a fraction