# How do you multiply #1 1/4 div 7#?

##### 1 Answer

#### Explanation:

Firs, rewrite

#1 1/4=1+1/4#

Now, to add these fractions, we need a common denominator. Note that:

#1+1/4=1/1+1/4#

The common denominator will be

#1/1+1/4=(1xx4)/(1xx4)+1/4=4/4+1/4#

We can do

#4/4+1/4=(4+1)/4=5/4#

So, instead of the original equation

#5/4-:7#

The next step is to note that dividing by

You may be confused, since

However, note that

So, saying

To multiply fractions, multiply the numerators straight across and the denominators straight across.

#5/4xx1/7=(5xx1)/(4xx7)=5/28#