Question

Daniella is making 2/3 of a recipe. the full recipe calls for 3 1/2 cups of flour. how many cups of flour should Danielle use?

Answer 1

2 $\frac{1}{3}$ cups of flour

We require to find $\frac{2}{3}$ of 3 $\frac{1}{2}$

change the mixed number to an improper fraction and of to multiply

3 $\frac{1}{2}$ = $\frac{7}{2}$

$\frac{2}{3}$ × $\frac{7}{2}$

= $\frac{2(7)}{3(2)}$ = $\frac{14}{6}$ = $\frac{7}{3}$ = 2 $\frac{1}{3}$