Algebra
LCD with rational expressions
Interactive practice questions
Find the lowest common denominator for this pair of algebraic fractions:
$\frac{s}{3}$s3 and $\frac{s}{9}$s9
Easy
< 1min
Find the lowest common denominator for this pair of algebraic fractions:
$\frac{a}{2}$a2 and $\frac{b}{3}$b3
Easy
< 1min
In an upcoming election, it is anticipated that the number of men who vote, $x$x, will be greater than the number of women who vote, $y$y.
Each expression below represents the expected number of people who will NOT vote in two different counties.
Easy
< 1min
Find the lowest common denominator for this pair of algebraic fractions:
$\frac{1}{18h}$118h and $\frac{1}{9h}$19h
Easy
< 1min
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