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Mathematics 12 Online
OpenStudy (anonymous):

Shayla is baking muffins that require 1/2 cup vegetable oil. She only has 1/3 cup left. How much more does she need?

OpenStudy (anonymous):

1/2-1/3=?

OpenStudy (anonymous):

do I just add them?

OpenStudy (anonymous):

No....subtract them 1/2 - 1/3

OpenStudy (anonymous):

How do I subtract them? cause 1-1 is 0 and 2-3 is 1 so..does that give me 1/3? just use the biggest number from the bottom?

OpenStudy (anonymous):

You have to get them as a common denominator... 3/6 - 2/6

OpenStudy (anonymous):

oh so that would get me 1/6?

OpenStudy (anonymous):

Yes

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