Least Common Denominator in Fractions

Practice Questions

Algebra II › Least Common Denominator in Fractions

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1

What is the least common denominator of

$\frac{4x^2}{12ab^3c^2}$ and $\frac{16x}{60a^2bc^4}$ ?

2

Simplify $\frac{1}{5}+\frac{3}{8}$

3

What is the least common denominator needed in order to subtract these fractions?

$\frac{3}{4}-\frac{1}{10}+\frac{3}{20}$

4

What's the least common denominator of and ?

5

Determine the least common denominator: $\frac{1}{x-2}+\frac{2}{2x-4}$

6

What's the least common denominator of and ?

7

What is the least common denominator? $-\frac{7}{4}+\frac{1}{32}-\frac{3}{20}$

8

Solve the following equation to find .

$\frac{3}{14} + \frac{2}{7} = x-\frac{1}{7}$

9

Simplify the following:

$\frac{3}{x^2-1}+\frac{4}{x+1}$

10

What is the least common denominator? $\frac{1}{6}+\frac{4}{8}+\frac{3}{16}$

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