New posts in fractions

Is there a general method to operate the reduction of a rational expression to a sum : $\frac {1+2x}{1-3x} \rightarrow 1+5x+\frac{15x^3}{1-3x}$

algebra-precalculus soft-question fractions rational-functions

$S^{-1}B$ and $T^{-1}B$ isomorphic for $T=f(S)$

commutative-algebra ring-theory modules fractions

Quick doubt on converting a decimal to a fraction

fractions decimal-expansion

Is there a general relation between $a/b$ and $(a+c)/(b+c)$ where $a,b,c > 0 $?

real-analysis fractions

To how many decimals is $\sum_ {k=1}^\infty \frac{k}{\sqrt{k!}} = \frac{49850839\,\pi}{29567947}$ correct?

sequences-and-series fractions pi

How to write fraction value using html?

html numbers fractions

Does the sum of the reciprocals of composites that are $ \le $ 1

sequences-and-series elementary-number-theory diophantine-equations fractions

why is PI considered irrational if it can be expressed as ratio of circumference to diameter? [duplicate]

irrational-numbers fractions pi

Why do I get $0.098765432098765432...$ when I divide $8$ by $81$?

How do I rewrite -100+1/2 as the mixed number -99 1/2?

fractions rational-numbers

How to know if partial fractions have been done incorrectly?

fractions partial-fractions

A question about neighboring fractions.

Interesting pattern in the decimal expansion of $\frac1{243}$

fractions decimal-expansion

Valid ways of saying a fraction using (saying) cardinal number as its denominator

grammatical-number fractions

Is there a fraction prefix for “(one-)third”?

differences numbers prefixes mathematics fractions

Why is it that $\frac ab\times\frac1c=\frac a{bc}$? [duplicate]

arithmetic fractions

Is it proper to use ordinal suffixes on fractions?

abbreviations numbers word-formation fractions

If you take the reciprocal in an inequality, would it change the $>/< $ signs?

algebra-precalculus inequality fractions

Proving that $\frac{n+1}{2n+3}$ and $\frac{3n-5}{4n-7}$ are irreducible for all $n$

algebra-precalculus divisibility fractions

Dividing by 2 numbers at once, what is the answer?

notation fractions