Multiplying Fractions
Multiply Fractions
Standard
6.N.14 Accurately and efficiently add, subtract, multiply, and divide positive fractions and mixed numbers. Simplify fractions.
Cluster
C2
Objective
To multiply fractions
Lesson
Multiply the numerators of the fractions
Multiply the denominators of the fractions
Place the product of the numerators over the product of the denominators
Simplify the Fraction
Example:
Multiply the numerators (2*3=6)
Multiply the denominators (9*12=108)
Place the product of the numerators over the product of the denominators
Simplify the Fraction
The Easy Way. It is often simplest to "cancel" before doing the multiplication. Canceling is dividing one factor of the numerator and one factor of the denominator by the same number.
For example: 2/9 * 3/12 = (2*3)/(9*12) = (1*3)/(9*6) = (1*1)/(3*6) = 1/18
Practice
If you need more practice, use our On Line Text Book
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