$$\require{cancel}$$
$\frac{11!}{\cancel{(11-4)!}4!}\frac{\cancel{7!}}{(7!-4!)4!}$
$$\require{enclose}$$
$\frac{11!}{\enclose{horizontalstrike}{(11-4)!}4!}\frac{\enclose{horizontalstrike}{7!}}{(7!-4!)4!}$
$\frac{11!}{\enclose{verticalstrike}{(11-4)!}4!}\frac{\enclose{verticalstrike}{7!}}{(7!-4!)4!}$
$\frac{11!}{\enclose{updiagonalstrike}{(11-4)!}4!}\frac{\enclose{updiagonalstrike}{7!}}{(7!-4!)4!}$ this is similar to `\cancel`
$\frac{11!}{\enclose{downdiagonalstrike}{(11-4)!}4!}\frac{\enclose{downdiagonalstrike}{7!}}{(7!-4!)4!}$
$\frac{11!}{\enclose{updiagonalstrike, downdiagonalstrike}{(11-4)!}4!}\frac{\enclose{updiagonalstrike, downdiagonalstrike}{7!}}{(7!-4!)4!}$