If two fractions add up to 1, are their denominators the same?
95181
If the sum of two irreducible fractions is an integer, then the denominators are equal
57938
When do two functions become equal?
117922
Is $\frac{a+b}{c+d}0$?
48264
Are fractions with prime numerator and denominator dense?
41510
Multiplying and adding fractions
110722
$n$ and $n^5$ have the same units digit?
149122
If two functions are defined by the same formula, but have different codomains, are they equal?
6482
Why aren't the functions $f(x) = \frac{x-1}{x-1}$ and $f(x) = 1$ the same?
100504
Why a linear numerator for fractions with irreducible denominators?
79170
$1 + \frac{1}{1+2}+ \frac{1}{1+2+3}+ ... + \frac{1}{1+2+3+...+n} = ?$
49851
when the sum of some fractions be $1$
31701
Check if two integers have the same sign
140260
Is $\int \frac{1}{2x} \, dx $ equal to $\frac{\ln|2x|}{2}+ C$ or $\frac{\ln|x|}{2}+ C$
144801
$1-\frac{1}{2}+\frac{1}{3}-\frac{1}{4}+\frac{1}{5}-\dots+\frac{1}{1331}=\frac{p}{q}$; is $p$ divisible by $1997$?
61186
For which $n$ does $\frac{1}{a}+\frac{1}{b}+\frac{1}{c}=\frac{1}{a+b+c}$ imply $\frac{1}{a^n}+\frac{1}{b^n}+\frac{1}{c^n}=\frac{1}{a^n+b^n+c^n}$
109365
Prove that 1/2 + 1/4 + 1/8 ....... = 1
68092
Does square difference prove that 1 = 2?