What is $1/4 + 1/5$ ?

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Answer 1 · 2016-04-05T18:52:06

$9/20$

First, find a common denominator that occurs in both numbers.
$20$ is a common number in both of them.

You then multiply $1/4$ by $5$ and $1/5$ by $4$ . The problem is now like this:

$5/20+4/20=9/20$

$A=9/20$

You do the exact same thing for subtracting fractions.

What is 1/4 + 1/51/4 + 1/5?