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

Answer:

$\frac{5}{36}\:more \:cups$

Step-by-step explanation:

$3\frac{1}{4} - 3\frac{1}{9} \\\\\mathrm{Subtract\:whole\:numbers}\:3-3:\quad 0\\\\\mathrm{Combine\:fractions}\:\frac{1}{4}-\frac{1}{9}:\quad \frac{5}{36}\\\\=0+\frac{5}{36}\\\\=\frac{5}{36}$