A cake recipe requires \(\dfrac{5}{8}\) cup of flour. Mary and Haloa decide to make the cake together. Mary has \(\dfrac{1}{3}\) cup of flour and Haloa has \(\dfrac{1}{4}\) cup of flour. How many more cups of flour do they need to make the cake?

Summary Submit Skip Question

We can manually or use the calculator to add the amount Mary and Haloa have:

$$ \frac{1}{3} + \frac{1}{4} $$ $$ \frac{4}{12} + \frac{3}{12} = \frac{7}{12}$$

The amount they need:

$$ \frac{5}{8} - \frac{7}{12} $$ $$ \frac{15}{24} - \frac{14}{24} $$ $$ = \boxed{\frac{1}{24}} $$