Common Denominator/Examples/2, 3, 7

Examples of Common Denominators

The fractions:

$\dfrac 1 2$, $\dfrac 1 3$, $\dfrac 3 7$

have common denominators:

$42$, $84$, $126$, $168$

and so on.

The lowest common denominator of $\dfrac 1 2$, $\dfrac 1 3$, $\dfrac 3 7$ is $42$.

Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): common denominator
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): common denominator