Back to Student PageMultiplying Mixed Numbers with Reducing Across Fractions
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Example
1 Simple Mixed Number Multiplication
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First convert 1 and 1/4 to an improper fraction. Multiply the denominator 4 times the whole number 1 and add the numerator 1 and put over the denominator 4. Thus 1 and 1/4 equals 5/4. Then convert 1 and 1/3 to an improper fraction using the same method. 1 and 1/3 equals 4/3.
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The 4 of the first denominator can be cancelled with the 4 of the second numerator. They will both be changed to 1.
| 5 | / | 4/4 | ||
| --- | --- | = | --- | |
| 4/4 | / | 3 |
| 5 | 1 | 5 | ||
| --- | x | --- | = | --- |
| 1 | 3 | 3 |
The final answer will be 1 and 2/3 after you have changed your improper fraction to a mixed number by dividing the numerator and denominatior.