A recipe for cookies calls for #3 1/4# cups of sugar. Amy has already put in twenty #1/9# cups. How many more cups does she need to put in?

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May 18, 2017

Answer:

#1 1/36# cups to be added.

Explanation:

take 20 multiply by #1/9#
#20xx1/9 =(20xx1)/9#

=#20/9#

Then we change #3 1/4# into a improper fraction
It gives us #13/4#

First we change the fractions to the same denominator.
Then we subtract them.

#13/4 - 20/9#

#= 117/36 - 80/36 #

=#37/36#

=#1 1/36#

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