How do you simplify $21/50 div21/50$ ?

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Answer 1 · 2015-11-26T02:11:09

1

$21/50-:21/50$
$=21/50*50/21$
$=cancel(21)^color(red)1/cancel(50)^color(green)1*cancel(50)^color(green)1/cancel(21)^color(red)1$
$=1/1*1/1$
$=1$

How do you simplify 21/50 div21/5021/50 div21/50?