Question

9 ( 1\frac{2}{3} div 2\frac{1}{4} = \frac{square}{3} \times \frac{square}{9} = \frac{square}{square} )

Explanation:

Step1: Convert mixed to improper fractions

$1\frac{2}{3} = \frac{1\times3 + 2}{3} = \frac{5}{3}$, $2\frac{1}{4} = \frac{2\times4 + 1}{4} = \frac{9}{4}$

Step2: Rewrite division as multiplication

$\frac{5}{3} \div \frac{9}{4} = \frac{5}{3} \times \frac{4}{9}$

Step3: Multiply numerators and denominators

$\frac{5\times4}{3\times9} = \frac{20}{27}$

Answer:

$\frac{5}{3} \times \frac{4}{9} = \frac{20}{27}$
(Es decir, los recuadros se completan con 5, 4, 20 y 27 respectivamente)