Question

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

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Answer 1

`(5)/(36)\:more \:cups`

Explanation:

`3(1)/(4) - 3(1)/(9) \\\\\mathrm{Subtract\:whole\:numbers}\:3-3:\quad 0\\\\\mathrm{Combine\:fractions}\:(1)/(4)-(1)/(9):\quad (5)/(36)\\\\=0+(5)/(36)\\\\=(5)/(36)`