Fractions

Answer all the questions below and press submit to see how many you got right.

id: 4517

$7\div 19 = \frac{7}{?}$

id: 4543

A pizza is cut into $17$ equal sized pieces of size $\frac{1}{x}.$ What is $x?$

id: 4525

$5\div 11 = \frac{5}{?}$