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how do you multiply a number with a fraction?

 Jan 22, 2016
 #1
avatar+8613 
0

You want to Cross Multiply. :)

 Jan 22, 2016
 #2
avatar+1904 
+5

Think of the whoe number as a fraction.  The whole number is the numerator and the dominator is 1.  Then multiply the numerators togother and multiply the dominators togother.  Then if possible, reduce the fraction.

 

Example:

 

\(5\times\frac{2}{3}\)

 

\(\frac{5}{1}\times\frac{2}{3}\)

 

In Improper form: \(\frac{10}{3}\)

 

In mixed form:  \(3\frac{1}{3}\)

 

In decimal form: \(3.3333333...\)

.
 Jan 22, 2016
edited by gibsonj338  Jan 22, 2016

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