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Multiplication of Fractions Help

By — McGraw-Hill Professional
Updated on Sep 21, 2011

Multiplication of Fractions

Multiplying fractions uses the principle of cancellation . Cancellation saves you from reducing the answer after multiplying.

To cancel, divide any numerator and any denominator by the largest number possible (that is, the greatest common factor) .

To multiply two or more fractions :

  • Step 1 Cancel if possible .
  • Step 2 Multiply numerators .
  • Step 3 Multiply denominators .
  • Step 4 Simplify the answer if possible .

Examples

Example 1

Multiply Principles of Borrowing

Solution 1

Principles of Borrowing

Example 2

Multiply Principles of Borrowing

Solution 2

Principles of Borrowing

Multiplication of Fractions Practice Problems

Practice

Multiply:

1. Principles of Borrowing

2. Principles of Borrowing

3. Principles of Borrowing

4. Principles of Borrowing

5. Principles of Borrowing

Answers

1. Principles of Borrowing

2. Principles of Borrowing

3. Principles of Borrowing

4. Principles of Borrowing

5. Principles of Borrowing

Practice problems for these concepts can be found at: More Advanced Fractions Practice Test.

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