While taking inventory at her bakery, ruby noticed that she had 5⁄6 pound of cinnamon yesterday, but now had only 2⁄3 pound. how much more cinnamon did ruby have yesterday?

To find the difference between the amount she had yesterday and amount she has today, set it up like this:



Since the terms aren't compatible, we need to convert into a fraction with a common denominator:



The terms can now be subtracted:



Ruby had pounds more cinnamon yesterday.

6(2x + 5y)6 (2x) = 12x6 (5y) = 30y12x + 30y

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