Wie schreibt man 30% als Bruch?

Antworten:

$3/10=0.3$

Erläuterung:

Per cent means $color(blue)"out of one hundred"$

$rArr30%=30/100$

which may be simplified by cancelling by 10.

$30/100=cancel(30)^3/cancel(100)^10=3/10" as a proper fraction"$

and $3/10=3÷10=0.3" as a decimal fraction"$