FRACTIONS
Review of Introductory Mathematics
Multiplication
The methods of multiplication of fractions differ from addition and subtraction. The operation
of multiplication is performed on both the numerator and the denominator.
Step 1: Multiply the numerators.
Step 2: Multiply the denominators.
Step 3: Reduce fraction to lowest terms.
Example:
2
3
1
4
2
12
1
6
Multiplication of mixed numbers may be accomplished by changing the mixed number to an
improper fraction and then multiplying the numerators and denominators.
Example:
11
2
3
5
3
2
3
5
9
10
Division
The division of fractions can be performed by two methods. The first method employs the basic
concept of multiplying by 1.
Example:
= _____
4
5
2
9
MA-01
Page 34
Rev. 0
