Multiply Fraction by Whole Number

To multiply a fraction by a whole number:

Rewrite the whole number as a fraction with 1 as the denominator
Multiply just like any other fractions
Simplify the result, but do not convert to a mixed number unless the instructions say to do so

Example: Multiply 2/9 by 3

2 * 3

9 * 1

Just like with ordinary fractions, you can cancel factors before multiplying.

Example: Multiply 2/9 by 3, but first simplify the problem by canceling a factor of 3 out of the 3 and 9.

3 9

3 1

2 * 1

3 * 1

00:00

State the answer as a simplified fraction, and not a mixed number.

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